Extremely loud & incredibly close.

MLA

Safran Foer, Jonathan. Extremely Loud & Incredibly Close. London: Penguin, 2006.

APA

Safran Foer, J. (2006). Extremely loud & incredibly close. London: Penguin.

Chicago

Safran Foer, Jonathan, Extremely Loud & Incredibly Close. London: Penguin, 2006.