Cita APA (7a ed.)

Grambs, J. D., Carr, J. C., & Fitch, R. M. (1970). Modern methods in secondary education (3rd ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Grambs, Jean Dresden, John Charles Carr, y Robert M. Fitch. Modern Methods in Secondary Education. 3rd ed. New York [etc.]: Holt, Rinehart and Winston, 1970.

Cita MLA (9a ed.)

Grambs, Jean Dresden, et al. Modern Methods in Secondary Education. 3rd ed. Holt, Rinehart and Winston, 1970.