Eath of a Salesman is Really the Story of Biff
15% of the paper should be direct quotes, paraphasing, and summery. I always use parathenticals for work cited.
Authur Miller, Death of a Salesman. Literature: An Intorduction to Reading and Writing. Ed. Edgar V. Roberts and Henry E. Jacobs. 8th ed. Upper Saddle River: Prentice Hall, 2007. 1508-1568.