APA (7th ed.) Citation

Petsche, H. (2009). Hermann Graßmann: Roots and traces : autographs and unknown documents. Birkhaeuser Verlag.

Chicago Style (17th ed.) Citation

Petsche, Hans-Joachim. Hermann Graßmann: Roots and Traces : Autographs and Unknown Documents. Basel: Birkhaeuser Verlag, 2009.

MLA (9th ed.) Citation

Petsche, Hans-Joachim. Hermann Graßmann: Roots and Traces : Autographs and Unknown Documents. Birkhaeuser Verlag, 2009.

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