APA (7th ed.) Citation

Open University (Great Britain). Earth's Physical Resources Course Team. (1973). Energy resources. Open University Press.

Chicago Style (17th ed.) Citation

Open University (Great Britain). Earth's Physical Resources Course Team. Energy Resources. Milton Keynes: Open University Press, 1973.

MLA (8th ed.) Citation

Open University (Great Britain). Earth's Physical Resources Course Team. Energy Resources. Open University Press, 1973.