APA (7th ed.) Citation

Greelis, M., & Haarmann, B. (1980). ABC's of video therapy. Academic Therapy Publications.

Chicago Style (17th ed.) Citation

Greelis, Michael, and Betsy Haarmann. ABC's of Video Therapy. Novato, Calif: Academic Therapy Publications, 1980.

MLA (9th ed.) Citation

Greelis, Michael, and Betsy Haarmann. ABC's of Video Therapy. Academic Therapy Publications, 1980.