APA (7th ed.) Citation

Horn, H. (1989). Software-Ergonomie. IG Chemie-Papier-Keramik.

Chicago Style (17th ed.) Citation

Horn, Hartmut. Software-Ergonomie. Hannover: IG Chemie-Papier-Keramik, 1989.

MLA (9th ed.) Citation

Horn, Hartmut. Software-Ergonomie. IG Chemie-Papier-Keramik, 1989.

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