United States. Hydrographic Office. (1931). Sailing directions for Persian Gulf, including Gulf of Oman and Mekran coast. GPO.
Chicago Style (17th ed.) CitationUnited States. Hydrographic Office. Sailing Directions for Persian Gulf, Including Gulf of Oman and Mekran Coast. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Hydrographic Office. Sailing Directions for Persian Gulf, Including Gulf of Oman and Mekran Coast. GPO, 1931.
Warning: These citations may not always be 100% accurate.