Crist, R. E. (1946). Bolivia-Land of Contrasts.
Cita Chicago Style (17a ed.)Crist, Raymond E. Bolivia-Land of Contrasts. New York, 1946.
Cita MLA (9a ed.)Crist, Raymond E. Bolivia-Land of Contrasts. 1946.
Precaución: Estas citas no son 100% exactas.