A new smartphone application takes most of the grunt work out of citing
books in scholarly papers.
Quick Cite, which costs 99 cents and is available for both iPhones and
Android-based phones, uses the camera on a smartphone to scan the bar
code on the back of a book. It then e-mails you a bibliography-ready
citation in one of four popular styles-APA, MLA, Chigaco, or IEEE.
Read more http://chronicle.com/blogs/wiredcampus/smartphone-app-makes-book-citations-a-snap/29768