APA (7. basım) Alıntı

Hawking, S. (1990). Three hundred years of gravitation. Cambridge University Press.

Chicago Style (17. basım) Atıf

Hawking, Stephen. Three Hundred Years of Gravitation. Cambridge: Cambridge University Press, 1990.

MLA (9th ed.) Atıf

Hawking, Stephen. Three Hundred Years of Gravitation. Cambridge University Press, 1990.