APA (7th ed.) Citation

Bell, P., & Beer, B. (2014). Introducing GitHub (1st edition.). O'Reilly Media, Inc..

Chicago Style (17th ed.) Citation

Bell, Peter, and Brent Beer. Introducing GitHub. 1st edition. O'Reilly Media, Inc., 2014.

MLA (9th ed.) Citation

Bell, Peter, and Brent Beer. Introducing GitHub. 1st edition. O'Reilly Media, Inc., 2014.

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