Cita APA (7a ed.)

Klein, E. L., & Bly, R. W. (1990). Write great ads: A step-by-step approach. Wiley & Sons.

Cita Chicago Style (17a ed.)

Klein, Erica Levy, y Robert W. Bly. Write Great Ads: A Step-by-step Approach. New York [etc.]: Wiley & Sons, 1990.

Cita MLA (9a ed.)

Klein, Erica Levy, y Robert W. Bly. Write Great Ads: A Step-by-step Approach. Wiley & Sons, 1990.