Style de citation APA (7e éd.)

Ehrlich, R. (2001). Nine crazy ideas in science: A few might even be true. Princeton University Press.

Style de citation Chicago (17e éd.)

Ehrlich, Robert. Nine Crazy Ideas in Science: A Few Might Even Be True. Princeton, N.J.: Princeton University Press, 2001.

Style de citation MLA (8e éd.)

Ehrlich, Robert. Nine Crazy Ideas in Science: A Few Might Even Be True. Princeton University Press, 2001.