Johnson, A. (2019). It essentials version 7: Labs & study guide (First printing.). Hoboken, NJ: Cisco Press.
Chicago Style CitationJohnson, Allan. It Essentials Version 7: Labs & Study Guide. First printing. Hoboken, NJ: Cisco Press, 2019.
MLA CitationJohnson, Allan. It Essentials Version 7: Labs & Study Guide. First printing. Hoboken, NJ: Cisco Press, 2019.
Warning: These citations may not always be 100% accurate.