Cita APA (7a ed.)

Villarreal, R. L. (1980). Tomatoes in the tropics (1st edition.). Westview Press.

Cita Chicago Style (17a ed.)

Villarreal, Rubén L. Tomatoes in the Tropics. 1st edition. Boulder, CO: Westview Press, 1980.

Cita MLA (8a ed.)

Villarreal, Rubén L. Tomatoes in the Tropics. 1st edition. Westview Press, 1980.