APA (7th ed.) Citation

Goldsmith, A., Lansing, A., & Levy, L. (1983). Summer camps & programs. Harmony Books.

Chicago Style (17th ed.) Citation

Goldsmith, Alice, Adrienne Lansing, and Laurie Levy. Summer Camps & Programs. New York: Harmony Books, 1983.

MLA (9th ed.) Citation

Goldsmith, Alice, et al. Summer Camps & Programs. Harmony Books, 1983.