APA (7th ed.) Citation

Harvester & Clark, J. G. (1990). The political economy of world energy. Harvester.

Chicago Style (17th ed.) Citation

Harvester and John Garretson Clark. The Political Economy of World Energy. New York: Harvester, 1990.

MLA (8th ed.) Citation

Harvester and John Garretson Clark. The Political Economy of World Energy. Harvester, 1990.

Warning: These citations may not always be 100% accurate.