APA (7th ed.) Citation

Gambrill, E. D., & Richey, C. A. (1976). It's up to you: Developing assertive social skills. Les Femmes.

Chicago Style (17th ed.) Citation

Gambrill, Eileen D., and Cheryl A. Richey. It's Up to You: Developing Assertive Social Skills. Millbrae, Calif: Les Femmes, 1976.

MLA (9th ed.) Citation

Gambrill, Eileen D., and Cheryl A. Richey. It's Up to You: Developing Assertive Social Skills. Les Femmes, 1976.