Cita APA (7a ed.)

Clark, A. M., & Clark, A. H. (1954). A Revision of the Sea-stars of the Genus Tethyaster. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Clark, Ailsa M., y A. H. Clark. A Revision of the Sea-stars of the Genus Tethyaster. Washington: Smithsonian Institution, 1954.

Cita MLA (8a ed.)

Clark, Ailsa M., y A. H. Clark. A Revision of the Sea-stars of the Genus Tethyaster. Smithsonian Institution, 1954.