Cita APA (7th ed.)

Reinecke, R. D., & Herm, R. J. (1983). Refraction: A programmed text (3rd ed.). Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Reinecke, Robert D., i Robert J. Herm. Refraction: A Programmed Text. 3rd ed. Norwalk, CT: Appleton-Century-Crofts, 1983.

Cita MLA (9th ed.)

Reinecke, Robert D., i Robert J. Herm. Refraction: A Programmed Text. 3rd ed. Appleton-Century-Crofts, 1983.