Cita APA (7a ed.)

Wellman, F. L. (1977). Dictionary of tropical American crops and their diseases. Scarecrow Press.

Cita Chicago Style (17a ed.)

Wellman, Frederick Lovejoy. Dictionary of Tropical American Crops and Their Diseases. Metuchen, N.J.: Scarecrow Press, 1977.

Cita MLA (9a ed.)

Wellman, Frederick Lovejoy. Dictionary of Tropical American Crops and Their Diseases. Scarecrow Press, 1977.