APA (7th ed.) Citation

Clark, E. W., & Hoppe, U. (1999). The lanolin book. Beiersdorf.

Chicago Style (17th ed.) Citation

Clark, E. W., and Udo Hoppe. The Lanolin Book. Hamburg: Beiersdorf, 1999.

MLA (8th ed.) Citation

Clark, E. W., and Udo Hoppe. The Lanolin Book. Beiersdorf, 1999.

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