APA (7th ed.) Citation

Plemmons Patrick. (1984). Essential applications for the IBM PC and XT. PC World Books.

Chicago Style (17th ed.) Citation

Plemmons Patrick. Essential Applications for the IBM PC and XT. PC World Books, 1984.

MLA (8th ed.) Citation

Plemmons Patrick. Essential Applications for the IBM PC and XT. PC World Books, 1984.

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