APA (7th ed.) Citation

Lydolph, P. E. (1970). Geography of the U.S.S.R. (2d ed.). J. Wiley.

Chicago Style (17th ed.) Citation

Lydolph, Paul E. Geography of the U.S.S.R. 2d ed. New York: J. Wiley, 1970.

MLA (9th ed.) Citation

Lydolph, Paul E. Geography of the U.S.S.R. 2d ed. J. Wiley, 1970.