APA (7th ed.) Citation

Vrátril, Z. (1991). IBM PC XT + AT (1. vyd.). Gethon audio and computer.

Chicago Style (17th ed.) Citation

Vrátril, Zdeněk. IBM PC XT + AT. 1. vyd. B. m: Gethon audio and computer, 1991.

MLA (9th ed.) Citation

Vrátril, Zdeněk. IBM PC XT + AT. 1. vyd. Gethon audio and computer, 1991.

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