APA (7th ed.) Citation

Harris, R. (2009). ACT made simple: An easy-to-read primer on acceptance and commitment therapy. New Harbinger Publications.

Chicago Style (17th ed.) Citation

Harris, Russ. ACT Made Simple: An Easy-to-read Primer on Acceptance and Commitment Therapy. Oakland, Calif: New Harbinger Publications, 2009.

MLA (9th ed.) Citation

Harris, Russ. ACT Made Simple: An Easy-to-read Primer on Acceptance and Commitment Therapy. New Harbinger Publications, 2009.