Robinson, M. (2006). South america pilot volume III NP 7: Western coastal waters of south America from cabo ráper to punta mariato, and the sea area to 100° W, including Archipielago de Colón and other outlying islands. (9th edición.). The United Kingdom Hydrographic Office.
Chicago Style (17th ed.) CitationRobinson, M.S. South America Pilot Volume III NP 7: Western Coastal Waters of South America from Cabo Ráper to Punta Mariato, and the Sea Area to 100° W, Including Archipielago De Colón and Other Outlying Islands. 9th edición. Taunton, Somerset: The United Kingdom Hydrographic Office, 2006.
MLA (9th ed.) CitationRobinson, M.S. South America Pilot Volume III NP 7: Western Coastal Waters of South America from Cabo Ráper to Punta Mariato, and the Sea Area to 100° W, Including Archipielago De Colón and Other Outlying Islands. 9th edición. The United Kingdom Hydrographic Office, 2006.