APA (7th ed.) Citation

Smithsonian Institution. Office of the Secretary & Clark, A. H. (1915). Phylogenetic study of recent crinoids, with special reference to question of specialization through partial orcomplete suppression of structural characters. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Office of the Secretary and Austin Hobart Clark. Phylogenetic Study of Recent Crinoids, with Special Reference to Question of Specialization Through Partial Orcomplete Suppression of Structural Characters. Washington, D.C.: [publisher not identified], 1915.

MLA (9th ed.) Citation

Smithsonian Institution. Office of the Secretary and Austin Hobart Clark. Phylogenetic Study of Recent Crinoids, with Special Reference to Question of Specialization Through Partial Orcomplete Suppression of Structural Characters. [publisher not identified], 1915.