The correct answer to this open question is the following.
The question is incomplete because you forgot to include the work cites entries.
However, doing some research we can comment on the following.
The works cited entries for an encyclopedia article about Benjamin Franklin that is completely correct would be this one: "Franklin Benjamin." Encyclopedia Britannica. 15 Ed. 2002.
Proper citation of your academic work is a must because it is the way you give validity to your paper, giving credit to the authors and the information you are researching. So proper citation avoids plagiarism and makes your paper looks professional. The most common citation styles are APA, MLA, Chicago Style, CSE, and IEEE.
Answer:
An author's purpose is reflected in the way he writes about a topic. For instance, if his purpose is to amuse, he will use jokes or anecdotes in his writing. Clues to an author's purpose may be found in titles, prefaces, and the author's background.
Explanation:
