Cita APA (7a ed.)

Friis, E. M., Iglesias, A., Reguero, M. A., & Mörs, T. (2017). Notonuphar antarctica, an extinct water lily (Nymphaeales) from the Eocene of Antarctica.

Cita Chicago Style (17a ed.)

Friis, Else M., Ari Iglesias, Marcelo Alfredo Reguero, y Thomas Mörs. Notonuphar Antarctica, an Extinct Water Lily (Nymphaeales) from the Eocene of Antarctica. 2017.

Cita MLA (8a ed.)

Friis, Else M., et al. Notonuphar Antarctica, an Extinct Water Lily (Nymphaeales) from the Eocene of Antarctica. 2017.