United States. Hydrographic Office. (1938). Sailing Directions for South America: Volume III (West Coast), Golfo Corcovado to Gulf of Panama, Including Off-Lying Islands. Fourth Edition, 1938. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Hydrographic Office. Sailing Directions for South America: Volume III (West Coast), Golfo Corcovado to Gulf of Panama, Including Off-Lying Islands. Fourth Edition, 1938. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Hydrographic Office. Sailing Directions for South America: Volume III (West Coast), Golfo Corcovado to Gulf of Panama, Including Off-Lying Islands. Fourth Edition, 1938. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.