APA (7th ed.) Citation

Johnson, C. F. A., & Varma, J. (2015). Shell scripting recipes: A problem-solution approach (Second edition.). Apress.

Chicago Style (17th ed.) Citation

Johnson, Chris F. A., and Jayant Varma. Shell Scripting Recipes: A Problem-solution Approach. Second edition. [Berkeley, CA]: Apress, 2015.

MLA (9th ed.) Citation

Johnson, Chris F. A., and Jayant Varma. Shell Scripting Recipes: A Problem-solution Approach. Second edition. Apress, 2015.