Cita APA (7a ed.)

Roberts, E. V. (1988). Writing themes about literature (6th ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Roberts, Edgar V. Writing Themes About Literature. 6th ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1988.

Cita MLA (9a ed.)

Roberts, Edgar V. Writing Themes About Literature. 6th ed. Prentice-Hall, 1988.