APA (7th ed.) Citation

Quirk, R., Greenbaum, S., Leech, G. N., & Svartvik, J. (1985). A comprehensive grammar of the English language. Longman.

Chicago Style (17th ed.) Citation

Quirk, Randolph, Sidney Greenbaum, Geoffrey N. Leech, and Jan Svartvik. A Comprehensive Grammar of the English Language. Londres: Longman, 1985.

MLA (9th ed.) Citation

Quirk, Randolph, et al. A Comprehensive Grammar of the English Language. Longman, 1985.