APA (7th ed.) Citation

DRUPA Düsseldorf. (1982). DRUPA '82: Information und Fortschritt weltweit. Keppler.

Chicago Style (17th ed.) Citation

DRUPA Düsseldorf. DRUPA '82: Information Und Fortschritt Weltweit. Heusenstamm: Keppler, 1982.

MLA (9th ed.) Citation

DRUPA Düsseldorf. DRUPA '82: Information Und Fortschritt Weltweit. Keppler, 1982.

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