APA (7th ed.) Citation

Library Pass, LLC, & Adams, S. (2013). Dilbert 20: Vol #2 The Boom Years. Andrews McMeel.

Chicago Style (17th ed.) Citation

Library Pass, LLC, and Scott Adams. Dilbert 20: Vol #2 The Boom Years. [United States]: Andrews McMeel, 2013.

MLA (9th ed.) Citation

Library Pass, LLC, and Scott Adams. Dilbert 20: Vol #2 The Boom Years. Andrews McMeel, 2013.

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