APA (7th ed.) Citation

Petsche, H. (2009). Hermann Graßmann: Biography. Birkhäuser Basel.

Chicago Style (17th ed.) Citation

Petsche, Hans-Joachim. Hermann Graßmann: Biography. Basel: Birkhäuser Basel, 2009.

MLA (8th ed.) Citation

Petsche, Hans-Joachim. Hermann Graßmann: Biography. Birkhäuser Basel, 2009.

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