APA-referens (7:e uppl.)
Siemens, A. H. (1990). Between the summit and the sea: Central Veracruz in the nineteenth century. University of British Columbia Press.
Chicago-referens (17:e uppl.)
Siemens, Alfred H. Between the Summit and the Sea: Central Veracruz in the Nineteenth Century. Vancouver: University of British Columbia Press, 1990.
MLA-referens (9:e uppl.)
Siemens, Alfred H. Between the Summit and the Sea: Central Veracruz in the Nineteenth Century. University of British Columbia Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.