Lua APA (7ú heag.)
Heller, K. B., & Rugeley, T. (2007). Alone in Mexico: The astonishing travels of Karl Heller, 1845-1848. University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)
Heller, Karl B., agus Terry Rugeley. Alone in Mexico: The Astonishing Travels of Karl Heller, 1845-1848. Tuscaloosa: University of Alabama Press, 2007.
Lua MLA (9ú heag.)
Heller, Karl B., agus Terry Rugeley. Alone in Mexico: The Astonishing Travels of Karl Heller, 1845-1848. University of Alabama Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.