Create a parenthetical citation for the following information. be careful! remember, your spacing and punctuation must be exact.
page 15 of the book twain’s boyhood and his fiction , by granger daniels and mavis greene, edited by laura masters and published in boston by scribner

To create a parenthetical citation, the following should be done:

Sources with Author and Page: Write the last name of the author and then the page you refered to in his or her book. 
Sources without Author: If no author is given, use the name of the book in place of the author.
Internet Sources: When citing an Internet source, give only the name of the author, and if that is not provided, give the name of the Internet site.
Place parenthetical citations at the end of the sentence you are paraphrasing and quoting.

Hope this helps. Have a nice day.