APA (7th ed.) Citation

Willard, E., & Burge, C. M. (1999). The power of three. Pocket Pulse.

Chicago Style (17th ed.) Citation

Willard, Eliza, and Constance M. Burge. The Power of Three. New York: Pocket Pulse, 1999.

MLA (9th ed.) Citation

Willard, Eliza, and Constance M. Burge. The Power of Three. Pocket Pulse, 1999.