APA (7th ed.) Citation

Clayton, R., & Flax, Z. (1970). The USSR. Day.

Chicago Style (17th ed.) Citation

Clayton, Robert, and Zena Flax. The USSR. New York: Day, 1970.

MLA (9th ed.) Citation

Clayton, Robert, and Zena Flax. The USSR. Day, 1970.

Warning: These citations may not always be 100% accurate.