APA (7th ed.) Citation

O'KEEFE, B., & Burke, D. (2013). The UNSEEN HAND That Moves the World's Oil. Fortune International (Europe), 167(4), 158.

Chicago Style (17th ed.) Citation

O'KEEFE, BRIAN, and Doris Burke. "The UNSEEN HAND That Moves the World's Oil." Fortune International (Europe) 167, no. 4 (2013): 158.

MLA (9th ed.) Citation

O'KEEFE, BRIAN, and Doris Burke. "The UNSEEN HAND That Moves the World's Oil." Fortune International (Europe), vol. 167, no. 4, 2013, p. 158.