Campbell, M. (1989). Mary Campbell's DBase IV handbook. Bantam Books.
Chicago Style (17th ed.) CitationCampbell, Mary. Mary Campbell's DBase IV Handbook. Toronto: Bantam Books, 1989.
MLA (9th ed.) CitationCampbell, Mary. Mary Campbell's DBase IV Handbook. Bantam Books, 1989.
Warning: These citations may not always be 100% accurate.