APA (7th ed.) Citation

Findley, C. V., & Rothney, J. A. M. (2011). Twentieth-century world (Seventh edition, International edition.). Cengage.

Chicago Style (17th ed.) Citation

Findley, Carter Vaughn, and John Alexander Murray Rothney. Twentieth-century World. Seventh edition, International edition. Australia: Cengage, 2011.

MLA (9th ed.) Citation

Findley, Carter Vaughn, and John Alexander Murray Rothney. Twentieth-century World. Seventh edition, International edition. Cengage, 2011.