APA (7th ed.) Citation

Bertelli, S., Giannini, N. P., & Ksepka, D. T. (2006). Redescription and phylogenetic position of the early Miocene penguin Paraptenodytes antarcticus from Patagonia. New York, NY : American Museum of Natural History.

Chicago Style (17th ed.) Citation

Bertelli, Sara, Norberto P. Giannini, and Daniel T. Ksepka. Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes Antarcticus from Patagonia. New York, NY : American Museum of Natural History, 2006.

MLA (9th ed.) Citation

Bertelli, Sara, et al. Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes Antarcticus from Patagonia. New York, NY : American Museum of Natural History, 2006.