Cita APA (7a ed.)

Bertelli, S., Giannini, N. P., & Ksepka, D. T. (2006). Fig. 4 in Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes antarcticus from Patagonia. Zenodo.

Cita Chicago Style (17a ed.)

Bertelli, Sara, Norberto P. Giannini, y Daniel T. Ksepka. Fig. 4 in Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes Antarcticus from Patagonia. Zenodo, 2006.

Cita MLA (9a ed.)

Bertelli, Sara, et al. Fig. 4 in Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes Antarcticus from Patagonia. Zenodo, 2006.