Cita APA (7a ed.)

Rattenborg, N. C., Voirin, B., Cruz, S. M., Tisdale, R., Dell’Omo, G., Lipp, H., . . . Vyssotski, A. L. (2016). Evidence that birds sleep in mid-flight. Nature Portfolio.

Cita Chicago Style (17a ed.)

Rattenborg, Niels C., Bryson Voirin, Sebastian M. Cruz, Ryan Tisdale, Giacomo Dell’Omo, Hans-Peter Lipp, Martin Wikelski, y Alexei L. Vyssotski. Evidence That Birds Sleep in Mid-flight. Nature Portfolio, 2016.

Cita MLA (8a ed.)

Rattenborg, Niels C., et al. Evidence That Birds Sleep in Mid-flight. Nature Portfolio, 2016.