APA (7th ed.) Citation

VanOst, W. C., & VanOst, E. (1988). Warning signs: A parent's guide to in-time intervention in drug and alcohol abuse (1. print.). Warner Books.

Chicago Style (17th ed.) Citation

VanOst, William C., and Elaine VanOst. Warning Signs: A Parent's Guide to In-time Intervention in Drug and Alcohol Abuse. 1. print. New York: Warner Books, 1988.

MLA (8th ed.) Citation

VanOst, William C., and Elaine VanOst. Warning Signs: A Parent's Guide to In-time Intervention in Drug and Alcohol Abuse. 1. print. Warner Books, 1988.