Cita APA

Estados Unidos. Hydrographic Office, & Estados Unidos. Hydrographic Office. (1919). River Dulce in Guatemala: Eastern coast, Central America (4. edition.). Washington: [editor no identificado].

Citación estilo Chicago

Estados Unidos. Hydrographic Office, y Estados Unidos. Hydrographic Office. River Dulce in Guatemala: Eastern Coast, Central America. 4. edition. Washington: [editor no identificado], 1919.

Cita MLA

Estados Unidos. Hydrographic Office, y Estados Unidos. Hydrographic Office. River Dulce in Guatemala: Eastern Coast, Central America. 4. edition. Washington: [editor no identificado], 1919.