Cita APA

Estados Unidos Army Map Service Corps of Engineers. (1966). El Castillo, Nicaragua ; Costa Rica (Edition 1-AMS.). Washington, D.C.: Army Map Service, Corps of Engineers.

Citación estilo Chicago

Estados Unidos Army Map Service Corps of Engineers. El Castillo, Nicaragua ; Costa Rica. Edition 1-AMS. Washington, D.C.: Army Map Service, Corps of Engineers, 1966.

Cita MLA

Estados Unidos Army Map Service Corps of Engineers. El Castillo, Nicaragua ; Costa Rica. Edition 1-AMS. Washington, D.C.: Army Map Service, Corps of Engineers, 1966.