APA Style

Pumphrey, C, W. (2012). The energy and security nexus : a strategic dilemma (1). Carlisle Barracks, PA: Strategic Studies Institute.

MLA Style

Pumphrey, Carolyn, W.. "The energy and security nexus : a strategic dilemma". 1 Carlisle Barracks, PA: Strategic Studies Institute, 2012. หนังสือ (Book).