APA (7th ed.) Citation

Strang, R. (1946). Group activities in college and secondary school (Rev. ed.). Harper.

Chicago Style (17th ed.) Citation

Strang, Ruth. Group Activities in College and Secondary School. Rev. ed. New York [u.a.]: Harper, 1946.

MLA (9th ed.) Citation

Strang, Ruth. Group Activities in College and Secondary School. Rev. ed. Harper, 1946.