Cita APA

Black, J. D. n. 1., & Black, J. D. n. 1. (1947). Farm management. New York, New York: Macmillan.

Citación estilo Chicago

Black, John Donald n. 1883, y John Donald n. 1883 Black. Farm Management. New York, New York: Macmillan, 1947.

Cita MLA

Black, John Donald n. 1883, y John Donald n. 1883 Black. Farm Management. New York, New York: Macmillan, 1947.