APA (7th ed.) Citation

Campbell, D. P. (1965). The results of counseling: Twenty-five years later. Saunders.

Chicago Style (17th ed.) Citation

Campbell, David P. The Results of Counseling: Twenty-five Years Later. Philadelphia: Saunders, 1965.

MLA (9th ed.) Citation

Campbell, David P. The Results of Counseling: Twenty-five Years Later. Saunders, 1965.