APA Edition Citation

Wrigley, G. (1981). Tropical agriculture: The development of production (4.). Longman groups Ltd.

Chicago Edition Citation

Wrigley, Gordon. Tropical Agriculture: The Development of Production. 4. UK: Longman groups Ltd, 1981.

MLA Edition Citation

Wrigley, Gordon. Tropical Agriculture: The Development of Production. 4. Longman groups Ltd, 1981.

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