APA (7. basım) Alıntı

Verschuur, G. L. (1996). Impact!: The threat of comets and asteroids. Oxford University Press.

Chicago Style (17. basım) Atıf

Verschuur, Gerrit L. Impact!: The Threat of Comets and Asteroids. New York: Oxford University Press, 1996.

MLA (9th ed.) Atıf

Verschuur, Gerrit L. Impact!: The Threat of Comets and Asteroids. Oxford University Press, 1996.