Cita APA (7a ed.)

Pike, R. W., & Solem, L. (1997). 50 creative training closers. Jossey-Bass-Pfeiffer [etc.].

Cita Chicago Style (17a ed.)

Pike, Robert W., y Lynn Solem. 50 Creative Training Closers. San Francisco [etc.]: Jossey-Bass-Pfeiffer [etc.], 1997.

Cita MLA (9a ed.)

Pike, Robert W., y Lynn Solem. 50 Creative Training Closers. Jossey-Bass-Pfeiffer [etc.], 1997.