APA Edition Citation

Greenbaum, S., & Whitcut, J. (1988). Longman guide to English usage.

Chicago Edition Citation

Greenbaum, Sidney, and Janet Whitcut. Longman Guide to English Usage. England, Longman, 1988.

MLA Edition Citation

Greenbaum, Sidney, and Janet Whitcut. Longman Guide to English Usage. 1988.

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