Cita APA

Kownslar, A. O., & Frizzle, D. B. (1967). Discovering American history. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Kownslar, Allan O., i Donald B. Frizzle. Discovering American History. New York: Holt, Rinehart and Winston, 1967.

Cita MLA

Kownslar, Allan O., i Donald B. Frizzle. Discovering American History. Holt, Rinehart and Winston, 1967.