Cita APA (7a ed.)

Luton, W. (2013). Free2play: Making money from games you give away. New Riders.

Cita Chicago Style (17a ed.)

Luton, Will. Free2play: Making Money from Games You Give Away. [San Francisco, CA]: New Riders, 2013.

Cita MLA (9a ed.)

Luton, Will. Free2play: Making Money from Games You Give Away. New Riders, 2013.