Smithsonian Institution. (1923). Asteroidea of North Pacific and adjacent waters: Part 2. Forcipulata (part). GPO.
Chicago Style (17th ed.) CitationSmithsonian Institution. Asteroidea of North Pacific and Adjacent Waters: Part 2. Forcipulata (part). [Washington]: GPO, 1923.
MLA (9th ed.) CitationSmithsonian Institution. Asteroidea of North Pacific and Adjacent Waters: Part 2. Forcipulata (part). GPO, 1923.
Warning: These citations may not always be 100% accurate.