APA (7th ed.) Citation

Lydolph, P. E. (1964). Geography of the U.S.S.R.

Chicago Style (17th ed.) Citation

Lydolph, Paul E. Geography of the U.S.S.R. 1964.

MLA (9th ed.) Citation

Lydolph, Paul E. Geography of the U.S.S.R. 1964.

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