Cita APA (7a ed.)

Rollins, S. P., & Unruh, A. (1964). Introduction to secondary education. Rand McNally.

Cita Chicago Style (17a ed.)

Rollins, Sidney Philip, y Adolph Unruh. Introduction to Secondary Education. Chicago: Rand McNally, 1964.

Cita MLA (8a ed.)

Rollins, Sidney Philip, y Adolph Unruh. Introduction to Secondary Education. Rand McNally, 1964.