APA-Zitierstil (7. Ausg.)

Hartshorn, J. E. (1993). Oil trade: Politics and prospects. Cambridge University Press. https://doi.org/10.1017/CBO9780511582400

Chicago-Zitierstil (17. Ausg.)

Hartshorn, J. E. Oil Trade: Politics and Prospects. Cambridge: Cambridge University Press, 1993. https://doi.org/10.1017/CBO9780511582400.

MLA-Zitierstil (9. Ausg.)

Hartshorn, J. E. Oil Trade: Politics and Prospects. Cambridge University Press, 1993. https://doi.org/10.1017/CBO9780511582400.