APA Edition Citation

Greenbaum, S., & Quirk, R. A University Grammer of English.

Chicago Edition Citation

Greenbaum, Sidney, and Randolph Quirk. A University Grammer of English. Harlow, Longman Group U K Limited.

MLA Edition Citation

Greenbaum, Sidney, and Randolph Quirk. A University Grammer of English.

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