Cita APA (7a ed.)
Fernández Guardia, R. (1913). History of the discovery and conquest of Costa Rica. Thomas Y. Crowell company.
Cita Chicago Style (17a ed.)
Fernández Guardia, Ricardo. History of the Discovery and Conquest of Costa Rica. New York: Thomas Y. Crowell company, 1913.
Cita MLA (9a ed.)
Fernández Guardia, Ricardo. History of the Discovery and Conquest of Costa Rica. Thomas Y. Crowell company, 1913.
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