APA (7th ed.) Citation

Elvers, B., & Ullman, F. (1989). Ullmann's encyclopedia of industrial chemistry (5th completely rev. ed.). VCH.

Chicago Style (17th ed.) Citation

Elvers, Barbara, and Fritz Ullman. Ullmann's Encyclopedia of Industrial Chemistry. 5th completely rev. ed. VCH, 1989.

MLA (9th ed.) Citation

Elvers, Barbara, and Fritz Ullman. Ullmann's Encyclopedia of Industrial Chemistry. 5th completely rev. ed. VCH, 1989.

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