APA (7th ed.) Citation

Leech,Geofrey,Svartvik,Jan. (1972). A Communicative Grammar of English / Geofrey Leech. Longman.

Chicago Style (17th ed.) Citation

Leech,Geofrey,Svartvik,Jan. A Communicative Grammar of English / Geofrey Leech. Longman, 1972.

MLA (8th ed.) Citation

Leech,Geofrey,Svartvik,Jan. A Communicative Grammar of English / Geofrey Leech. Longman, 1972.

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