APA (7th ed.) Citation

Villareal, R. L. (1980). Tomatoes in the tropics. Westview Press.

Chicago Style (17th ed.) Citation

Villareal, Ruben L. Tomatoes in the Tropics. Boulders, Colo: Westview Press, 1980.

MLA (9th ed.) Citation

Villareal, Ruben L. Tomatoes in the Tropics. Westview Press, 1980.