APA (7th ed.) Citation

Hultsman, J. T., Cottrell, R. L., & Hultsman, W. Z. (1987). Planning parks for people. Venture Pub.

Chicago Style (17th ed.) Citation

Hultsman, John T., Richard L. Cottrell, and Wendy Zales Hultsman. Planning Parks for People. State College, PA: Venture Pub, 1987.

MLA (9th ed.) Citation

Hultsman, John T., et al. Planning Parks for People. Venture Pub, 1987.