APA aipamena

Foley, G., & Nassim, C. (1981). The energy question (2nd ed.). Penguin.

Chicago Style aipamena

Foley, Gerald, and Charlotte Nassim. The Energy Question. 2nd ed. Harmondsworth ; New York [etc.]: Penguin, 1981.

MLA aipamena

Foley, Gerald, and Charlotte Nassim. The Energy Question. 2nd ed. Penguin, 1981.