Cita APA (7th ed.)

Spodek, B., & Walberg, H. J. (1975). Studies in open education. Agathon Press.

Cita Chicago (17th ed.)

Spodek, Bernard, i Herbert J. Walberg. Studies in Open Education. New York: Agathon Press, 1975.

Cita MLA (9th ed.)

Spodek, Bernard, i Herbert J. Walberg. Studies in Open Education. Agathon Press, 1975.