Daniels, G. H. (1994). American science in the age of Jackson. University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)Daniels, George H. American Science in the Age of Jackson. Tuscaloosa: University of Alabama Press, 1994.
Lua MLA (9ú heag.)Daniels, George H. American Science in the Age of Jackson. University of Alabama Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.