Cita APA (7a ed.)

Thornley, G., & Roberts, G. (1985). An Outline of English Literature (New ed.). Longman.

Cita Chicago Style (17a ed.)

Thornley, G.C, y Gwyneth Roberts. An Outline of English Literature. New ed. Harlow: Longman, 1985.

Cita MLA (9a ed.)

Thornley, G.C, y Gwyneth Roberts. An Outline of English Literature. New ed. Longman, 1985.