APA (7th ed.) Citation

Johnson, C., & Varma, J. (2015). Pro bash programming: Scripting the GNU/Linux shell (Second edition.). Apress.

Chicago Style (17th ed.) Citation

Johnson, Chris, and Jayant Varma. Pro Bash Programming: Scripting the GNU/Linux Shell. Second edition. [Berkley, CA]: Apress, 2015.

MLA (9th ed.) Citation

Johnson, Chris, and Jayant Varma. Pro Bash Programming: Scripting the GNU/Linux Shell. Second edition. Apress, 2015.

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