Cita APA (7a ed.)

Christopher, W. F. (1985). Productivity measurement handbook (2nd ed.). Productivity press.

Cita Chicago Style (17a ed.)

Christopher, William F. Productivity Measurement Handbook. 2nd ed. Cambridge, Massachusetts [etc.]: Productivity press, 1985.

Cita MLA (9a ed.)

Christopher, William F. Productivity Measurement Handbook. 2nd ed. Productivity press, 1985.