APA (7th ed.) Citation

BCS, The Chartered Institute for IT, ebrary, Inc, & Lavington, S. (2012). Alan Turing and his contemporaries: Building the world's first computers. British Informatics Society Ltd..

Chicago Style (17th ed.) Citation

BCS, The Chartered Institute for IT, Inc ebrary, and Simon Lavington. Alan Turing and His Contemporaries: Building the World's First Computers. Swindon, U.K.: British Informatics Society Ltd., 2012.

MLA (9th ed.) Citation

BCS, The Chartered Institute for IT, et al. Alan Turing and His Contemporaries: Building the World's First Computers. British Informatics Society Ltd., 2012.

Warning: These citations may not always be 100% accurate.