Cita APA (7a ed.)

Garfias, V. R. (1923). Petroleum resources of the world. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Garfias, Valentin R. Petroleum Resources of the World. New York: John Wiley & Sons, 1923.

Cita MLA (9a ed.)

Garfias, Valentin R. Petroleum Resources of the World. John Wiley & Sons, 1923.