Cita APA (7a ed.)

Bittel, L. R., & Bittel, M. A. (1978). Encyclopedia of professional management. McGraw-Hill.

Cita Chicago Style (17a ed.)

Bittel, Lester R., y Muriel Albers Bittel. Encyclopedia of Professional Management. New York [etc.]: McGraw-Hill, 1978.

Cita MLA (9a ed.)

Bittel, Lester R., y Muriel Albers Bittel. Encyclopedia of Professional Management. McGraw-Hill, 1978.