Cita APA (7a ed.)

Bunn, H., & Falk, E. M. (1997). Cooperative life and business. University Microfilms International.

Cita Chicago Style (17a ed.)

Bunn, Harriet, y Ethel Mabie Falk. Cooperative Life and Business. Ann Arbor: University Microfilms International, 1997.

Cita MLA (9a ed.)

Bunn, Harriet, y Ethel Mabie Falk. Cooperative Life and Business. University Microfilms International, 1997.