Cita APA (7a ed.)

Ward, H., & Roscoe, F. (1958). The approach to teaching. G. Bell.

Cita Chicago Style (17a ed.)

Ward, Herbert, y Frank Roscoe. The Approach to Teaching. London: G. Bell, 1958.

Cita MLA (9a ed.)

Ward, Herbert, y Frank Roscoe. The Approach to Teaching. G. Bell, 1958.