APA (7th ed.) Citation

Johnson, C. F. A. (2009). Pro Bash programming: Scripting the GNU/Linux shell. Apress.

Chicago Style (17th ed.) Citation

Johnson, Chris F. A. Pro Bash Programming: Scripting the GNU/Linux Shell. New York: Apress, 2009.

MLA (9th ed.) Citation

Johnson, Chris F. A. Pro Bash Programming: Scripting the GNU/Linux Shell. Apress, 2009.

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