Cita APA (7a ed.)

Ryan, K., & Cooper, J. M. (1992). Those who can, teach (6th ed.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Ryan, Kevin, y James Michael Cooper. Those Who Can, Teach. 6th ed. Boston: Houghton Mifflin, 1992.

Cita MLA (9a ed.)

Ryan, Kevin, y James Michael Cooper. Those Who Can, Teach. 6th ed. Houghton Mifflin, 1992.