APA (7th ed.) Citation

Phillips, G. IBM PC public domain software. Ashton-Tate.

Chicago Style (17th ed.) Citation

Phillips, Gary. IBM PC Public Domain Software. Culver City, CA: Ashton-Tate.

MLA (9th ed.) Citation

Phillips, Gary. IBM PC Public Domain Software. Ashton-Tate.

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