APA (7th ed.) Citation

Hartmann, K., Reher, E., & Walde, R. (1989). Dictionary of process technology: In four languages, English, German, French, Russian. Elsevier.

Chicago Style (17th ed.) Citation

Hartmann, K., Ernst-Otto Reher, and Rolf Walde. Dictionary of Process Technology: In Four Languages, English, German, French, Russian. Amsterdam: Elsevier, 1989.

MLA (9th ed.) Citation

Hartmann, K., et al. Dictionary of Process Technology: In Four Languages, English, German, French, Russian. Elsevier, 1989.