APA (7th ed.) Citation

Clark, A. H. (1921). Sea lilies and feather-stars (with 16 plates). Published by the Smithsonian Institution.

Chicago Style (17th ed.) Citation

Clark, Austin Hobart. Sea Lilies and Feather-stars (with 16 Plates). City of Washington: Published by the Smithsonian Institution, 1921.

MLA (9th ed.) Citation

Clark, Austin Hobart. Sea Lilies and Feather-stars (with 16 Plates). Published by the Smithsonian Institution, 1921.