Cita APA (7a ed.)

Hurlbert, A. H., Olsen, A. M., Sawyer, M. M., & Winner, P. M. (2021). The Avian Diet Database as a source of quantitative information on bird diets. Nature Portfolio.

Cita Chicago Style (17a ed.)

Hurlbert, Allen H., Aaron M. Olsen, Melissa M. Sawyer, y Patrick M. Winner. The Avian Diet Database as a Source of Quantitative Information on Bird Diets. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Hurlbert, Allen H., et al. The Avian Diet Database as a Source of Quantitative Information on Bird Diets. Nature Portfolio, 2021.