Cita APA (7th ed.)

Willard, W. (2013). HTML: A beginner's guide (Fifth edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

Willard, Wendy. HTML: A Beginner's Guide. Fifth edition. New York: McGraw-Hill Education, 2013.

Cita MLA (9th ed.)

Willard, Wendy. HTML: A Beginner's Guide. Fifth edition. McGraw-Hill Education, 2013.