APA (7th ed.) Citation

Penton, R. (2004). MUD game programming. Premier Press.

Chicago Style (17th ed.) Citation

Penton, Ron. MUD Game Programming. Rocklin, Calif: Premier Press, 2004.

MLA (9th ed.) Citation

Penton, Ron. MUD Game Programming. Premier Press, 2004.

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