Cita APA (7a ed.)

Quirk, R., Greenbaum, S., Leech, G., & Svartvik, J. (1976). A Grammar of Contemporary English (Sixth impression corrected.). Longman.

Cita Chicago Style (17a ed.)

Quirk, Randolph, Sidney Greenbaum, Geoffrey Leech, y Jan Svartvik. A Grammar of Contemporary English. Sixth impression corrected. London: Longman, 1976.

Cita MLA (8a ed.)

Quirk, Randolph, et al. A Grammar of Contemporary English. Sixth impression corrected. Longman, 1976.