APA (7th ed.) Citation

El-Hawary, M. E., & Christensen, G. S. (1979). Optimal economic operation of electric power systems. Academic Press.

Chicago Style (17th ed.) Citation

El-Hawary, Mohamed E., and Gustav S. Christensen. Optimal Economic Operation of Electric Power Systems. New York ; San Francisco ; London: Academic Press, 1979.

MLA (9th ed.) Citation

El-Hawary, Mohamed E., and Gustav S. Christensen. Optimal Economic Operation of Electric Power Systems. Academic Press, 1979.

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