ISO690 Edition Citation

1991. Zen 4. Bratislava: CAD Press.

APA (7th ed.) Citation

(1991). Zen 4. CAD Press.

Chicago Style (17th ed.) Citation

Zen 4. Bratislava: CAD Press, 1991.

MLA (9th ed.) Citation

Zen 4. CAD Press, 1991.

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