Cita APA (7th ed.)

Langford, G., & Wallace, L. T. (1975). New essays in the philosophy of education (3d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Langford, Glenn, i Luther T. Wallace. New Essays in the Philosophy of Education. 3d ed. Englewood Cliffs, N.J: Prentice-Hall, 1975.

Cita MLA (9th ed.)

Langford, Glenn, i Luther T. Wallace. New Essays in the Philosophy of Education. 3d ed. Prentice-Hall, 1975.