Cita APA (7a ed.)

Bull, G. A. (1969). The director's handbook. McGraw-Hill.

Cita Chicago Style (17a ed.)

Bull, George Anthony. The Director's Handbook. London [etc.]: McGraw-Hill, 1969.

Cita MLA (9a ed.)

Bull, George Anthony. The Director's Handbook. McGraw-Hill, 1969.