Cita APA (7a ed.)

Schackne, S., & Drake, N. D. (1950). Oil for the world. Harper & Brothers.

Cita Chicago Style (17a ed.)

Schackne, Stewart, y Nels D'Arcy Drake. Oil for the World. New York: Harper & Brothers, 1950.

Cita MLA (9a ed.)

Schackne, Stewart, y Nels D'Arcy Drake. Oil for the World. Harper & Brothers, 1950.