Clark, A. H. (1915). A phylogenetic study of recent crinoids, with special reference to the question of specialization through the partial or complete suppression of structural characters. Smithsonian Institution.
Chicago-Zitierstil (17. Ausg.)Clark, Austin H. A Phylogenetic Study of Recent Crinoids, with Special Reference to the Question of Specialization Through the Partial or Complete Suppression of Structural Characters. Washington: Smithsonian Institution, 1915.
MLA-Zitierstil (9. Ausg.)Clark, Austin H. A Phylogenetic Study of Recent Crinoids, with Special Reference to the Question of Specialization Through the Partial or Complete Suppression of Structural Characters. Smithsonian Institution, 1915.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.