Cita APA (7a ed.)

Marshall, P., & Todd, B. (2014). Ultimate guide to Google AdWords: Access 1 billion people in 10 minutes : double your website traffic overnight : build a profitable ad campaign today - from scratch (4th ed.). Entrepreneur Press.

Cita Chicago Style (17a ed.)

Marshall, Perry, y Bryan Todd. Ultimate Guide to Google AdWords: Access 1 Billion People in 10 Minutes : Double Your Website Traffic Overnight : Build a Profitable Ad Campaign Today - from Scratch. 4th ed. [Irvine, California]: Entrepreneur Press, 2014.

Cita MLA (9a ed.)

Marshall, Perry, y Bryan Todd. Ultimate Guide to Google AdWords: Access 1 Billion People in 10 Minutes : Double Your Website Traffic Overnight : Build a Profitable Ad Campaign Today - from Scratch. 4th ed. Entrepreneur Press, 2014.