Cita APA (7a ed.)

Quirk, R., Greenbaum, S., Leech, G. N., & Svartvik, J. (1984). A grammar of contemporary English (Tenth impression 1984.). Longman.

Cita Chicago Style (17a ed.)

Quirk, Randolph, Sidney Greenbaum, Geoffrey N. Leech, y Jan Svartvik. A Grammar of Contemporary English. Tenth impression 1984. Harlow: Longman, 1984.

Cita MLA (9a ed.)

Quirk, Randolph, et al. A Grammar of Contemporary English. Tenth impression 1984. Longman, 1984.