APA

Cottrell D. P., Cooper R. M., . (1956). Teacher education for a free people. Oneonta, N.Y: American Association of Colleges for Teacher Education.

Chicago

Cottrell Donald Peery, Cooper Russell Morgan, . 1956. Teacher education for a free people. Oneonta, N.Y: American Association of Colleges for Teacher Education.

Harvard

Cottrell D. P., Cooper R. M., . (1956). Teacher education for a free people. Oneonta, N.Y: American Association of Colleges for Teacher Education.

MLA

Cottrell Donald Peery, Cooper Russell Morgan, . Teacher education for a free people. Oneonta, N.Y: American Association of Colleges for Teacher Education. 1956.