Helmholtz, H. v. (1993). Letters of Hermann von Helmholtz to his parents: The medical education of a German scientist ; 1837 - 1846. Steiner.
Chicago-Zitierstil (17. Ausg.)Helmholtz, Hermann von. Letters of Hermann Von Helmholtz to His Parents: The Medical Education of a German Scientist ; 1837 - 1846. Stuttgart: Steiner, 1993.
MLA-Zitierstil (9. Ausg.)Helmholtz, Hermann von. Letters of Hermann Von Helmholtz to His Parents: The Medical Education of a German Scientist ; 1837 - 1846. Steiner, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.