The seven sisters : : the great oil companies and the world they made / / Anthony Sampson.

MLA

Sampson, Anthony. The Seven Sisters : the Great Oil Companies and the World They Made. London: Coronet Books, 1980.

APA

Sampson, A. (1980). The seven sisters : the great oil companies and the world they made. London: Coronet Books.

Chicago

Sampson, Anthony The Seven Sisters: The Great Oil Companies and the World They Made. London: Coronet Books, 1980.