Cita APA (7th ed.)

Wellman, F. L. (1972). Tropical american plant disease: Neotropical phytopathology problems. The Scarecrow.

Cita Chicago (17th ed.)

Wellman, Frederick L. Tropical American Plant Disease: Neotropical Phytopathology Problems. Nueva York: The Scarecrow, 1972.

Cita MLA (9th ed.)

Wellman, Frederick L. Tropical American Plant Disease: Neotropical Phytopathology Problems. The Scarecrow, 1972.