Gaya APA

Barratt, C., Whitelaw, I. (2011). The spotter's guide to urban engineering : infrastructure and technology in the modern landscape . New York: Firefly Books.

Gaya MLA

Barratt, Claire., Whitelaw, Ian. "The spotter's guide to urban engineering : infrastructure and technology in the modern landscape". New York: Firefly Books, 2011. Text.