APA (7th ed.) Citation

Vriend, J., & Dyer, W. W. (1973). Counseling effectively in groups. Educational Technology Pub.

Chicago Style (17th ed.) Citation

Vriend, John, and Wayne W. Dyer. Counseling Effectively in Groups. Englewood Cliffs, N. J: Educational Technology Pub, 1973.

MLA (9th ed.) Citation

Vriend, John, and Wayne W. Dyer. Counseling Effectively in Groups. Educational Technology Pub, 1973.