Cita APA (7a ed.)
Hagen, V. W. v. Maya explorer: John Lloyd Stephens and the lost cities of Central America and the Yucatán. University of Oklahoma.
Cita estilo Chicago (17a ed.)
Hagen, Victor Wolfgang von. Maya Explorer: John Lloyd Stephens and the Lost Cities of Central America and the Yucatán. Norman, EUA: University of Oklahoma.
Cita MLA (9a ed.)
Hagen, Victor Wolfgang von. Maya Explorer: John Lloyd Stephens and the Lost Cities of Central America and the Yucatán. University of Oklahoma.
Precaución: Estas citas no son 100% exactas.