APA (7th ed.) Citation

Leech, G. N. (1996). An A - Z of English grammar and usage (1. publ., 3. impr.). Longman.

Chicago Style (17th ed.) Citation

Leech, Geoffrey N. An A - Z of English Grammar and Usage. 1. publ., 3. impr. Harlow: Longman, 1996.

MLA (9th ed.) Citation

Leech, Geoffrey N. An A - Z of English Grammar and Usage. 1. publ., 3. impr. Longman, 1996.

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