Cita APA (7a ed.)

Efferson, J. N. (1953). Principles of farm management. McGraw-Hill.

Cita Chicago Style (17a ed.)

Efferson, J. Norman. Principles of Farm Management. New York: McGraw-Hill, 1953.

Cita MLA (8a ed.)

Efferson, J. Norman. Principles of Farm Management. McGraw-Hill, 1953.