Cita APA (7th ed.)

Roberts, E. V. (1991). Writing themes about literature. Prentice Hall.

Cita Chicago (17th ed.)

Roberts, Edgar V. Writing Themes About Literature. Englewood Cliffs, N.J: Prentice Hall, 1991.

Cita MLA (9th ed.)

Roberts, Edgar V. Writing Themes About Literature. Prentice Hall, 1991.