APA Citation

Hoppock, R. n. 1., & Hoppock, R. n. 1. (1949). Group guidance: Principles, techniques and evaluation. New York, New York: McGraw-Hill.

Chicago Style Citation

Hoppock, Robert n. 1901, and Robert n. 1901 Hoppock. Group Guidance: Principles, Techniques and Evaluation. New York, New York: McGraw-Hill, 1949.

MLA Citation

Hoppock, Robert n. 1901, and Robert n. 1901 Hoppock. Group Guidance: Principles, Techniques and Evaluation. New York, New York: McGraw-Hill, 1949.

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