Cita APA (7th ed.)

Schaefer, R. J. (1967). The school as a center of inquiry. Harper & Row.

Cita Chicago (17th ed.)

Schaefer, Robert Joseph. The School as a Center of Inquiry. New York: Harper & Row, 1967.

Cita MLA (9th ed.)

Schaefer, Robert Joseph. The School as a Center of Inquiry. Harper & Row, 1967.