APA (7th ed.) Citation

Ader, E. B., & Marx, K. (1970). Communism: Classic and contemporary. Barron's Educational Series.

Chicago Style (17th ed.) Citation

Ader, Emile Bertrand, and Karl Marx. Communism: Classic and Contemporary. Woodbury, N.Y.: Barron's Educational Series, 1970.

MLA (9th ed.) Citation

Ader, Emile Bertrand, and Karl Marx. Communism: Classic and Contemporary. Barron's Educational Series, 1970.