APA (7th ed.) Citation

Greenbaum, S., & Quirk, R. (1990). A student's grammar of the english language: Sidney Greenbaum, Randolph Quirk. Longman.

Chicago Style (17th ed.) Citation

Greenbaum, Sidney, and Randolph Quirk. A Student's Grammar of the English Language: Sidney Greenbaum, Randolph Quirk. Harlow (Essex): Longman, 1990.

MLA (9th ed.) Citation

Greenbaum, Sidney, and Randolph Quirk. A Student's Grammar of the English Language: Sidney Greenbaum, Randolph Quirk. Longman, 1990.

Warning: These citations may not always be 100% accurate.