APA Citation

Greenbaum, S., & Whitcut, J. (1996). Longman guide to english usage. London: Penguin Books.

Chicago Style Citation

Greenbaum, Sidney, and Janet Whitcut. Longman Guide to English Usage. London: Penguin Books, 1996.

MLA Citation

Greenbaum, Sidney, and Janet Whitcut. Longman Guide to English Usage. London: Penguin Books, 1996.

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