APA (7th ed.) Citation

Gradmann, C. (2001). Hellpach, Willy Hugo. Ärzte-Lexikon.

Chicago Style (17th ed.) Citation

Gradmann, Christoph. "Hellpach, Willy Hugo." Ärzte-Lexikon 2001.

MLA (9th ed.) Citation

Gradmann, Christoph. "Hellpach, Willy Hugo." Ärzte-Lexikon, 2001.

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