APA (7th ed.) Citation

Giesing, M. (2012). Gmelin, Helmuth (Hellmuth) Gustav Robert. Hamburgische Biografie ; Bd. 6.

Chicago Style (17th ed.) Citation

Giesing, Michaela. "Gmelin, Helmuth (Hellmuth) Gustav Robert." Hamburgische Biografie ; Bd. 6 2012.

MLA (8th ed.) Citation

Giesing, Michaela. "Gmelin, Helmuth (Hellmuth) Gustav Robert." Hamburgische Biografie ; Bd. 6, 2012.

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