Cita APA (7a ed.)

Posamentier, A. S., Smith, B. S., & Stepelman, J. (2010). Teaching secondary mathematics: Techniques and enrichment units (8th ed.). Allyn & Bacon.

Cita Chicago Style (17a ed.)

Posamentier, Alfred S., Beverly S. Smith, y Jay Stepelman. Teaching Secondary Mathematics: Techniques and Enrichment Units. 8th ed. Boston: Allyn & Bacon, 2010.

Cita MLA (9a ed.)

Posamentier, Alfred S., et al. Teaching Secondary Mathematics: Techniques and Enrichment Units. 8th ed. Allyn & Bacon, 2010.