Cite a single author by including his or her last name, a comma, and the year that the work was published. Include this citation at the end of the sentence and place the period outside parentheses.
Separate two authors by an ampersand (&) within parentheses and the word "and" when citing them outside parentheses.
Indicate multiple authors with the first authors name followed by "et al."
Cite a single author by including the author's last name, a comma and the page number where the information is. You can include the name of the book in the actual text.
Cite two authors by separating their names with the word "and" both in and out of parentheses.
Write lists of multiple authors within the text separated by "et al." and include the page number of the work in parentheses at the end of the sentence.