APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Wrigley, Gordon. Tropical Agriculture: The Development of Production. 4. ed. London [u.a.]: Longman, 1981.

MLA (9th ed.) Citation

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