APA (7th ed.) Citation

Opperman, A. (1973). Data processing dictionary: Englisch-Deutsch English-German (2nd edition.). Verlag Dokumentation.

Chicago Style (17th ed.) Citation

Opperman, Alfred. Data Processing Dictionary: Englisch-Deutsch English-German. 2nd edition. Pullach bei Munchen: Verlag Dokumentation, 1973.

MLA (9th ed.) Citation

Opperman, Alfred. Data Processing Dictionary: Englisch-Deutsch English-German. 2nd edition. Verlag Dokumentation, 1973.

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