APA (7th ed.) Zitazioa
Clark, T. D. (1979). Historic maps of Kentucky. The University Press of Kentucky.
Chicago Style (17th ed.) Zitazioa
Clark, Thomas Dionysius. Historic Maps of Kentucky. Lexington, Kentucky: The University Press of Kentucky, 1979.
MLA (9th ed.) Zitazioa
Clark, Thomas Dionysius. Historic Maps of Kentucky. The University Press of Kentucky, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.