Cita APA (7a ed.)

Sampson, A. (1975). The seven sisters: The great oil companies and the world they shaped (2nd print.). Viking Press.

Cita Chicago Style (17a ed.)

Sampson, Anthony. The Seven Sisters: The Great Oil Companies and the World They Shaped. 2nd print. New York: Viking Press, 1975.

Cita MLA (9a ed.)

Sampson, Anthony. The Seven Sisters: The Great Oil Companies and the World They Shaped. 2nd print. Viking Press, 1975.