APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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