Cita APA (7a ed.)

Bergengren, R. F. (1997). Credit unions: Their operation and value. University Microfilms International.

Cita Chicago Style (17a ed.)

Bergengren, Roy Frederick. Credit Unions: Their Operation and Value. Ann Arbor: University Microfilms International, 1997.

Cita MLA (9a ed.)

Bergengren, Roy Frederick. Credit Unions: Their Operation and Value. University Microfilms International, 1997.