APA (7th ed.) Citation

Ewing, E. E., & Altschuler, F. (1967). Our widening world: A history of the world's peoples (3. ed.). Rand McNally.

Chicago Style (17th ed.) Citation

Ewing, Ethel E., and Franz Altschuler. Our Widening World: A History of the World's Peoples. 3. ed. Chicago: Rand McNally, 1967.

MLA (9th ed.) Citation

Ewing, Ethel E., and Franz Altschuler. Our Widening World: A History of the World's Peoples. 3. ed. Rand McNally, 1967.