APA (7th ed.) Citation
Harbour, J., & Smith, J. (2003). Beginner's guide to darkBASIC game programming. Premier Press, a division of Course Technology.
Chicago Style (17th ed.) Citation
Harbour, Jonathan, and Joshua Smith. Beginner's Guide to DarkBASIC Game Programming. Cincinnati, Ohio: Premier Press, a division of Course Technology, 2003.
MLA (9th ed.) Citation
Harbour, Jonathan, and Joshua Smith. Beginner's Guide to DarkBASIC Game Programming. Premier Press, a division of Course Technology, 2003.
Warning: These citations may not always be 100% accurate.