APA (7th ed.) Citation

Parker, W. H. (1969). The Soviet Union / by W.H. Parker. Longman.

Chicago Style (17th ed.) Citation

Parker, W. H. The Soviet Union / by W.H. Parker. Longman, 1969.

MLA (9th ed.) Citation

Parker, W. H. The Soviet Union / by W.H. Parker. Longman, 1969.

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