Cita APA

Berta, A. (1994). New specimens of the pinnipediform Pteronarctos from the miocene of Oregon. Washington: Smithsonian Institution Press.

Citación estilo Chicago

Berta, Annalisa. New Specimens of the Pinnipediform Pteronarctos From the Miocene of Oregon. Washington: Smithsonian Institution Press, 1994.

Cita MLA

Berta, Annalisa. New Specimens of the Pinnipediform Pteronarctos From the Miocene of Oregon. Washington: Smithsonian Institution Press, 1994.