APA

Lenihan J. M. A., Fletcher W. W., . (1976). Energy resources and the environment. New York: Academic Press.

Chicago

Lenihan J M A, Fletcher William Whigham, . 1976. Energy resources and the environment. New York: Academic Press.

Harvard

Lenihan J. M. A., Fletcher W. W., . (1976). Energy resources and the environment. New York: Academic Press.

MLA

Lenihan J M A, Fletcher William Whigham, . Energy resources and the environment. New York: Academic Press. 1976.