APA (7th ed.) Citation

Strang, R. M. (1946). Group activities in college and secondary school (Revised edition.). Harper & brothers.

Chicago Style (17th ed.) Citation

Strang, Ruth May. Group Activities in College and Secondary School. Revised edition. New York, New York: Harper & brothers, 1946.

MLA (9th ed.) Citation

Strang, Ruth May. Group Activities in College and Secondary School. Revised edition. Harper & brothers, 1946.