Não informado. (1883). Contributions from the Biological Laboratories in Princeton University. Princeton University, Biological Laboratories.
Chicago-Zitierstil (17. Ausg.)Não informado. Contributions from the Biological Laboratories in Princeton University. Princeton, NJ: Princeton University, Biological Laboratories, 1883.
MLA-Zitierstil (8. Ausg.)Não informado. Contributions from the Biological Laboratories in Princeton University. Princeton University, Biological Laboratories, 1883.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.