Cita APA (7a ed.)

Abdel-Aal, H. K., & Schmelzlee, R. (1976). Petroleum economics and engineering: An introduction. Marcel Dekker.

Cita Chicago Style (17a ed.)

Abdel-Aal, Hussein K., y Robert Schmelzlee. Petroleum Economics and Engineering: An Introduction. New York [etc.]: Marcel Dekker, 1976.

Cita MLA (9a ed.)

Abdel-Aal, Hussein K., y Robert Schmelzlee. Petroleum Economics and Engineering: An Introduction. Marcel Dekker, 1976.