Cita APA

Roy, E. P., & Roy, E. P. (1964). Cooperatives: Today and tomorrow. Danville, Ill: Interstate.

Citación estilo Chicago

Roy, Ewell Paul, y Ewell Paul Roy. Cooperatives: Today and Tomorrow. Danville, Ill: Interstate, 1964.

Cita MLA

Roy, Ewell Paul, y Ewell Paul Roy. Cooperatives: Today and Tomorrow. Danville, Ill: Interstate, 1964.

Precaución: Estas citas no son 100% exactas.