Ludolph, P. E. (1970). Geography of the USSR (2a. ed.). New York: Wiley.
Chicago Style CitationLudolph, Paul E. Geography of the USSR. 2a. ed. New York: Wiley, 1970.
MLA CitationLudolph, Paul E. Geography of the USSR. 2a. ed. New York: Wiley, 1970.
Warning: These citations may not always be 100% accurate.