Cita APA (7th ed.)

Willis, H. (1983). Writing term papers: The research paper, the critical paper (2nd ed.). Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Willis, Hulon. Writing Term Papers: The Research Paper, the Critical Paper. 2nd ed. New York: Harcourt Brace Jovanovich, 1983.

Cita MLA (9th ed.)

Willis, Hulon. Writing Term Papers: The Research Paper, the Critical Paper. 2nd ed. Harcourt Brace Jovanovich, 1983.