APA (7th ed.) Citation

Avila, A. W. (1977). The helping relationship source book. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Avila, Arthur W. The Helping Relationship Source Book. Boston: Allyn and Bacon, 1977.

MLA (9th ed.) Citation

Avila, Arthur W. The Helping Relationship Source Book. Allyn and Bacon, 1977.