APA (7th ed.) Citation

Andresen, K. (2012). Thälmann, Ernst. Hamburgische Biografie ; Bd. 6.

Chicago Style (17th ed.) Citation

Andresen, Knud. "Thälmann, Ernst." Hamburgische Biografie ; Bd. 6 2012.

MLA (8th ed.) Citation

Andresen, Knud. "Thälmann, Ernst." Hamburgische Biografie ; Bd. 6, 2012.

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