APA (7th ed.) Citation

Norton, P., & Groh, M. (1998). Peter Norton's guide to Visual Basic 6 / Peter Norton, Michael Groh. Sams.

Chicago Style (17th ed.) Citation

Norton, Peter, and Michael Groh. Peter Norton's Guide to Visual Basic 6 / Peter Norton, Michael Groh. Indianapolis, Ind.: Sams, 1998.

MLA (9th ed.) Citation

Norton, Peter, and Michael Groh. Peter Norton's Guide to Visual Basic 6 / Peter Norton, Michael Groh. Sams, 1998.

Warning: These citations may not always be 100% accurate.