Cita APA (7a ed.)

Tontz, R. L. (1966). Foreign agricultural trade: Selected readings. Iowa State University Press.

Cita Chicago Style (17a ed.)

Tontz, Robert L. Foreign Agricultural Trade: Selected Readings. Ames: Iowa State University Press, 1966.

Cita MLA (8a ed.)

Tontz, Robert L. Foreign Agricultural Trade: Selected Readings. Iowa State University Press, 1966.