APA (7th ed.) Citation

Schwarz, H., & Kaloff, B. (1999). Holthausen: 1899 - 1999. Henkel.

Chicago Style (17th ed.) Citation

Schwarz, Heinz, and Boris Kaloff. Holthausen: 1899 - 1999. Düsseldorf: Henkel, 1999.

MLA (8th ed.) Citation

Schwarz, Heinz, and Boris Kaloff. Holthausen: 1899 - 1999. Henkel, 1999.

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