Citação norma APA
Ward, B. (2015). How Linux works: What every superuser should know (Second edition.). No Starch Press.
Citação norma Chicago
Ward, Brian. How Linux Works: What Every Superuser Should Know. Second edition. San Francisco: No Starch Press, 2015.
Citação norma MLA
Ward, Brian. How Linux Works: What Every Superuser Should Know. Second edition. No Starch Press, 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.