Cita APA (7th ed.)

Howe, J. C., & Springer, V. G. (1993). Catalog of type specimens of recent fishes in the NAtional Museum of Natural History, Smithsonian Institution, 5: Sharks chondrichthyes: selachii. Smithsonian Institution Press.

Cita Chicago (17th ed.)

Howe, Jeffrey C., i Victor G. Springer. Catalog of Type Specimens of Recent Fishes in the NAtional Museum of Natural History, Smithsonian Institution, 5: Sharks Chondrichthyes: Selachii. Washington, D.C: Smithsonian Institution Press, 1993.

Cita MLA (9th ed.)

Howe, Jeffrey C., i Victor G. Springer. Catalog of Type Specimens of Recent Fishes in the NAtional Museum of Natural History, Smithsonian Institution, 5: Sharks Chondrichthyes: Selachii. Smithsonian Institution Press, 1993.