Citazione APA

Wallis, M. (1988). Oil man: The story of Frank Phillips and the bith of Phillips petroleum. New York: Doubleday.

Stile di citazione Chicago

Wallis, Michael. Oil Man: The Story of Frank Phillips and the Bith of Phillips Petroleum. New York: Doubleday, 1988.

Citazione MLA

Wallis, Michael. Oil Man: The Story of Frank Phillips and the Bith of Phillips Petroleum. New York: Doubleday, 1988.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.