Cita APA

Murphy, J. D. (1966). Secrets successful selling ([8a. ed.].). New York: Dell.

Citación estilo Chicago

Murphy, John D. Secrets Successful Selling. [8a. ed.]. New York: Dell, 1966.

Cita MLA

Murphy, John D. Secrets Successful Selling. [8a. ed.]. New York: Dell, 1966.