APA (7th ed.) Citation

Downey, M. E. (1968). Catalog of recent echinoid type specimens in the U.S. National Museum Smithsonian Institution and the Museum of Compariative Zoology Harvard University. Smithsonian Inst. Press.

Chicago Style (17th ed.) Citation

Downey, Maureen E. Catalog of Recent Echinoid Type Specimens in the U.S. National Museum Smithsonian Institution and the Museum of Compariative Zoology Harvard University. Washington: Smithsonian Inst. Press, 1968.

MLA (9th ed.) Citation

Downey, Maureen E. Catalog of Recent Echinoid Type Specimens in the U.S. National Museum Smithsonian Institution and the Museum of Compariative Zoology Harvard University. Smithsonian Inst. Press, 1968.