APA (7th ed.) Citation

Beecher, K. (2018). A beginner's guide to open source. Apress.

Chicago Style (17th ed.) Citation

Beecher, Karl. A Beginner's Guide to Open Source. [Place of publication not identified]: Apress, 2018.

MLA (9th ed.) Citation

Beecher, Karl. A Beginner's Guide to Open Source. Apress, 2018.