APA

Quirk R., Greenbaum S., Leech G. & Svartvik J. (1999). A Comprehensive Grammar of the English Language. Harlow: Longman.

Chicago

Quirk R, Greenbaum S, Leech G and Svartvik J. 1999. A Comprehensive Grammar of the English Language. Harlow: Longman.

Harvard

Quirk R., Greenbaum S., Leech G. and Svartvik J. (1999). A Comprehensive Grammar of the English Language. Harlow: Longman.

MLA

Quirk R, Greenbaum S, Leech G and Svartvik J. A Comprehensive Grammar of the English Language. Harlow: Longman. 1999.