APA (7th ed.) Citation

Wamberg, S., Wamberg, A., & Kondracki-Sibley, L. (1998). Why believe? Change, fun. Cook Ministry Resources.

Chicago Style (17th ed.) Citation

Wamberg, Steve, Annie Wamberg, and Linda Kondracki-Sibley. Why Believe? Change, Fun. Colorado Springs, Colo.: Cook Ministry Resources, 1998.

MLA (8th ed.) Citation

Wamberg, Steve, et al. Why Believe? Change, Fun. Cook Ministry Resources, 1998.