APA (7th ed.) Citation

Trecker, a. B. (1955). Social group work: Principles and practices (Rev. and enl.). Whiteside.

Chicago Style (17th ed.) Citation

Trecker, arleigh Bradley. Social Group Work: Principles and Practices. Rev. and enl. New york: Whiteside, 1955.

MLA (9th ed.) Citation

Trecker, arleigh Bradley. Social Group Work: Principles and Practices. Rev. and enl. Whiteside, 1955.