APA (7th ed.) Citation

Sundel. (1999). Behavior change in the human services: An introduction to principles and applications (4 edition.). Sage Publs.

Chicago Style (17th ed.) Citation

Sundel. Behavior Change in the Human Services: An Introduction to Principles and Applications. 4 edition. London: Sage Publs, 1999.

MLA (8th ed.) Citation

Sundel. Behavior Change in the Human Services: An Introduction to Principles and Applications. 4 edition. Sage Publs, 1999.

Warning: These citations may not always be 100% accurate.