APA (7th ed.) Citation

(1957). World political patterns. [With] maps by W.R. Heath. Murray.

Chicago Style (17th ed.) Citation

World Political Patterns. [With] Maps by W.R. Heath. Murray, 1957.

MLA (8th ed.) Citation

World Political Patterns. [With] Maps by W.R. Heath. Murray, 1957.

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