APA (7th ed.) Citation

Elgerd, O. I. (1971). Electric energy systems theory : an introduction / by O.I. Elgerd: An introduction. Tata McGraw-Hill.

Chicago Style (17th ed.) Citation

Elgerd, O. I. Electric Energy Systems Theory : An Introduction / by O.I. Elgerd: An Introduction. Tata McGraw-Hill, 1971.

MLA (9th ed.) Citation

Elgerd, O. I. Electric Energy Systems Theory : An Introduction / by O.I. Elgerd: An Introduction. Tata McGraw-Hill, 1971.

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