Cita APA (7a ed.)

Massen, J. J. M., Hartlieb, M., Martin, J. S., Leitgeb, E. B., Hockl, J., Kocourek, M., . . . Gallup, A. C. (2021). Brain size and neuron numbers drive differences in yawn duration across mammals and birds. Nature Portfolio.

Cita Chicago Style (17a ed.)

Massen, Jorg J. M., et al. Brain Size and Neuron Numbers Drive Differences in Yawn Duration Across Mammals and Birds. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Massen, Jorg J. M., et al. Brain Size and Neuron Numbers Drive Differences in Yawn Duration Across Mammals and Birds. Nature Portfolio, 2021.