Não informado. (1883). Contributions from the Biological Laboratories in Princeton University. Princeton University, Biological Laboratories.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Contributions from the Biological Laboratories in Princeton University. Princeton, NJ: Princeton University, Biological Laboratories, 1883.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Contributions from the Biological Laboratories in Princeton University. Princeton University, Biological Laboratories, 1883.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.