Cita APA (7th ed.)

Shaffer, E. (2016). The United States and the control of world oil. Routledge Taylor and Francis Group.

Cita Chicago (17th ed.)

Shaffer, Ed. The United States and the Control of World Oil. London: Routledge Taylor and Francis Group, 2016.

Cita MLA (9th ed.)

Shaffer, Ed. The United States and the Control of World Oil. Routledge Taylor and Francis Group, 2016.