APA (7th ed.) Citation

Sampson, A. (1975). The seven sisters: The great oil companies and the world they shaped. Viking Press.

Chicago Style (17th ed.) Citation

Sampson, Anthony. The Seven Sisters: The Great Oil Companies and the World They Shaped. New York: Viking Press, 1975.

MLA (9th ed.) Citation

Sampson, Anthony. The Seven Sisters: The Great Oil Companies and the World They Shaped. Viking Press, 1975.

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