Cita APA (7th ed.)

Wheeler, G. (1991). Paradox 3.5: Self-teaching guide. John Wiley.

Cita Chicago (17th ed.)

Wheeler, Gloria. Paradox 3.5: Self-teaching Guide. Nueva York: John Wiley, 1991.

Cita MLA (9th ed.)

Wheeler, Gloria. Paradox 3.5: Self-teaching Guide. John Wiley, 1991.