APA (7th ed.) Citation

Blum, J., Barnes, T. G., & Cameron, R. E. (1970). The European world: A history (2nd ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Blum, Jérome, Thomas Garden Barnes, and Rondo E. Cameron. The European World: A History. 2nd ed. Boston: Little, Brown, 1970.

MLA (9th ed.) Citation

Blum, Jérome, et al. The European World: A History. 2nd ed. Little, Brown, 1970.