Cita APA

Keyes, K. S., & Keyes, K. S. (1963). How to Develop Your Thinking Ability (1. edition.). New York, New York: McGraw-Hill Book.

Citación estilo Chicago

Keyes, Kenneth S., y Kenneth S. Keyes. How to Develop Your Thinking Ability. 1. edition. New York, New York: McGraw-Hill Book, 1963.

Cita MLA

Keyes, Kenneth S., y Kenneth S. Keyes. How to Develop Your Thinking Ability. 1. edition. New York, New York: McGraw-Hill Book, 1963.