Cita APA (7th ed.)
Schaefer, R. J. (1967). The school as a center of inquiry.
Cita Chicago (17th ed.)
Schaefer, Robert J. The School as a Center of Inquiry. 1967.
Cita MLA (9th ed.)
Schaefer, Robert J. The School as a Center of Inquiry. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.