How to Cite Properly

All of the information in your book should be FACTS found from CREDIBLE SOURCES. 
 
After you have put the research IN YOUR OWN WORDS or in "quotations," you need to tell where that information came from.  The way we do this is by adding a parenthetical (which means in parentheses) reference.
 

Here's what you probably have now: 

(Someone else's Research and the website you got it from)
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The cat is a very vocal animal. Known for its trademark purring, it also produces a wide variety of other sounds.
The mechanism by which cats purr is elusive. The cat has no unique anatomical feature that is clearly responsible for the sound.  It was, until recent times, believed that only the cats of the Felis genus could purr. However, felids of the panthera genus (tiger, lion, jaguar, and leopard) also produce sounds similar to purring, but only when exhaling.
 
from http://www.panthera.org/
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Here's what it SHOULD look like:

(Put the information you got in your own words {this is called paraphrasing} or "quote" some of the information.  Use the author's last name to indicate where to find it in your alphabetical Works Cited page)
 
If you know anything about cats, you've heard them purr.  Purring is a noise that cats of all shapes and sizes make.  No one really knows where the cat purr comes from, but only animals that are members of the cat family make this "trademark" sound.  From small kittens to the biggest of cats (like lions and tigers) purr when they seem happy (Panthera).
 
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Meanwhile...on my Works Cited page:

I went back to my source- www.panthera.org/ and I looked for all the information I needed for my citation. 

For a website, I needed to find the title of the page, the author, the date I retrieved it, and the exact website.  After finding all this information, I went to http://easybib.com/ and entered the website and all the information it asked for.  REMEMBER- IF THERE IS INFORMATION MISSING FROM THE CITATION, YOU SHOULD STILL CREATE IT WITH WHAT YOU DO HAVE!!!!  The website created the citation below. 

"Panthera." Panthera. N.p., n.d. Web. 05 Dec. 2013.

 ...That's why my parenthetical reference said (Panthera).

Every bit of information in your book comes from somewhere else- not you.  So you need to cite everything!

Remember- do not plagiarise.  It is VERY easy to catch and will result in a zero for your entire book!