APA (7th ed.) Citation

Liu, P. I. (1993). Introduction to energy and the environment. Van Nostrand.

Chicago Style (17th ed.) Citation

Liu, Paul Ih-fei. Introduction to Energy and the Environment. Nueva York: Van Nostrand, 1993.

MLA (9th ed.) Citation

Liu, Paul Ih-fei. Introduction to Energy and the Environment. Van Nostrand, 1993.