APA (7th ed.) Citation

Parker, S. (2011). Shell Scripting: Expert Recipes for Linux, Bash, and More (1st edition.). Wrox.

Chicago Style (17th ed.) Citation

Parker, Steve. Shell Scripting: Expert Recipes for Linux, Bash, and More. 1st edition. Wrox, 2011.

MLA (9th ed.) Citation

Parker, Steve. Shell Scripting: Expert Recipes for Linux, Bash, and More. 1st edition. Wrox, 2011.

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