Smithsonian Institution. (1922). Contributions to biology of Philippine Archipelago and adjacent regions: Ophiurans of Philippine seas and adjacent waters. GPO.
Chicago Style (17th ed.) CitationSmithsonian Institution. Contributions to Biology of Philippine Archipelago and Adjacent Regions: Ophiurans of Philippine Seas and Adjacent Waters. [Washington]: GPO, 1922.
MLA (9th ed.) CitationSmithsonian Institution. Contributions to Biology of Philippine Archipelago and Adjacent Regions: Ophiurans of Philippine Seas and Adjacent Waters. GPO, 1922.
Warning: These citations may not always be 100% accurate.