Cita APA (7th ed.)

Hummel, R. C., & Nagle, J. M. (1973). Urban education in America: Problems and prospects. Oxford University Press.

Cita Chicago (17th ed.)

Hummel, Raymond C., i John M. Nagle. Urban Education in America: Problems and Prospects. New York: Oxford University Press, 1973.

Cita MLA (8th ed.)

Hummel, Raymond C., i John M. Nagle. Urban Education in America: Problems and Prospects. Oxford University Press, 1973.