APA (7th ed.) Citation

Collings, E. (1927). School supervision in theory and practice. Thomas Y. Crowell company.

Chicago Style (17th ed.) Citation

Collings, Ellsworth. School Supervision in Theory and Practice. New York: Thomas Y. Crowell company, 1927.

MLA (9th ed.) Citation

Collings, Ellsworth. School Supervision in Theory and Practice. Thomas Y. Crowell company, 1927.

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