Cita APA

Bird, A. R. (1962). Surplus ... the riddle of American agriculture. Springer Pub.

Citación estilo Chicago

Bird, Alan R. Surplus ... the Riddle of American Agriculture. New York: Springer Pub, 1962.

Cita MLA

Bird, Alan R. Surplus ... the Riddle of American Agriculture. Springer Pub, 1962.