APA (7th ed.) Citation

(2001). Macmillan encyclopedia of energy. Macmillan Reference USA.

Chicago Style (17th ed.) Citation

Macmillan Encyclopedia of Energy. New York [u.a.]: Macmillan Reference USA, 2001.

MLA (9th ed.) Citation

Macmillan Encyclopedia of Energy. Macmillan Reference USA, 2001.

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