Cita APA (7a ed.)

Jenkins, G. (1989). Oil economists' handbook (5th ed.). Elsevier.

Cita Chicago Style (17a ed.)

Jenkins, Gilbert. Oil Economists' Handbook. 5th ed. London: Elsevier, 1989.

Cita MLA (9a ed.)

Jenkins, Gilbert. Oil Economists' Handbook. 5th ed. Elsevier, 1989.