Cita APA (7a ed.)

Kownslar, A. O., & Frizzle, D. B. (1974). Discovering American history. Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Kownslar, Allan O., y Donald B. Frizzle. Discovering American History. New York: Holt, Rinehart and Winston, 1974.

Cita MLA (8a ed.)

Kownslar, Allan O., y Donald B. Frizzle. Discovering American History. Holt, Rinehart and Winston, 1974.