APA Edition Citation

Quirk Radolf & Greenbaum Sidney. (1973). Grammar of contemporary english. Longman.

Chicago Edition Citation

Quirk Radolf and Greenbaum Sidney. Grammar of Contemporary English. London: Longman, 1973.

MLA Edition Citation

Quirk Radolf and Greenbaum Sidney. Grammar of Contemporary English. Longman, 1973.

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