Cita APA (7th ed.)

Holtz, H. (1990). How to succeed as an independent consultant (2a. ed.). John Wiley.

Cita Chicago (17th ed.)

Holtz, Herman. How to Succeed as an Independent Consultant. 2a. ed. Nueva York: John Wiley, 1990.

Cita MLA (9th ed.)

Holtz, Herman. How to Succeed as an Independent Consultant. 2a. ed. John Wiley, 1990.