Cita APA (7th ed.)

Harmin, M., Kirschenbaum, H., & Simon, S. B. (1973). Clarifying values through subject matter: Applications for the classroom. Winston Press.

Cita Chicago (17th ed.)

Harmin, Merrill, Howard Kirschenbaum, i Sidney B. Simon. Clarifying Values Through Subject Matter: Applications for the Classroom. Minneapolis, MN: Winston Press, 1973.

Cita MLA (9th ed.)

Harmin, Merrill, et al. Clarifying Values Through Subject Matter: Applications for the Classroom. Winston Press, 1973.