Cita APA

Achinstein, A., & Achinstein, A. (1950). Introduction to business cycles. New York, New York: T. Y. Crowell.

Citación estilo Chicago

Achinstein, Asher, y Asher Achinstein. Introduction to Business Cycles. New York, New York: T. Y. Crowell, 1950.

Cita MLA

Achinstein, Asher, y Asher Achinstein. Introduction to Business Cycles. New York, New York: T. Y. Crowell, 1950.