APA (7th ed.) Citation

Engelhardt, N. L., & Engelhardt, N. L. (1940). Planning the community school. American Book Company.

Chicago Style (17th ed.) Citation

Engelhardt, N. L., and N. L. Engelhardt. Planning the Community School. New York: American Book Company, 1940.

MLA (9th ed.) Citation

Engelhardt, N. L., and N. L. Engelhardt. Planning the Community School. American Book Company, 1940.

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