APA-Zitierstil (7. Ausg.)

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-Zitierstil (17. Ausg.)

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-Zitierstil (9. Ausg.)

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.