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.
Lua i Stíl Chicago (17ú heag.)De 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.
Lua MLA (8ú heag.)De 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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.