Cita APA (7a ed.)

Mayr, G., Scofield, R. P., Pietri, V. L. D., & Tennyson, A. J. D. (2017). A Paleocene penguin from New Zealand substantiates multiple origins of gigantism in fossil Sphenisciformes. Nature Portfolio.

Cita Chicago Style (17a ed.)

Mayr, Gerald, R. Paul Scofield, Vanesa L. De Pietri, y Alan J. D. Tennyson. A Paleocene Penguin from New Zealand Substantiates Multiple Origins of Gigantism in Fossil Sphenisciformes. Nature Portfolio, 2017.

Cita MLA (8a ed.)

Mayr, Gerald, et al. A Paleocene Penguin from New Zealand Substantiates Multiple Origins of Gigantism in Fossil Sphenisciformes. Nature Portfolio, 2017.