De Kay, J. E. (1826). Anniversary address on the progress of the natural sciences in the United States: Delivered before the Lyceum of Natural History of New York, Feb. 1826. G. & C. Carvill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Kay, James E. Anniversary Address on the Progress of the Natural Sciences in the United States: Delivered Before the Lyceum of Natural History of New York, Feb. 1826. New York: G. & C. Carvill, 1826.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDe Kay, James E. Anniversary Address on the Progress of the Natural Sciences in the United States: Delivered Before the Lyceum of Natural History of New York, Feb. 1826. G. & C. Carvill, 1826.
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