APA (7th ed.) Citation

Halvorson, M. (2003). Microsoft Visual Basic 6.0 professional step by step (2nd ed.). Microsoft Press.

Chicago Style (17th ed.) Citation

Halvorson, Michael. Microsoft Visual Basic 6.0 Professional Step by Step. 2nd ed. Redmind, Washington: Microsoft Press, 2003.

MLA (9th ed.) Citation

Halvorson, Michael. Microsoft Visual Basic 6.0 Professional Step by Step. 2nd ed. Microsoft Press, 2003.