Cita APA (7a ed.)

English, S. G., Bishop, C. A., Wilson, S., & Smith, A. C. (2021). Current contrasting population trends among North American hummingbirds. Nature Portfolio.

Cita Chicago Style (17a ed.)

English, Simon G., Christine A. Bishop, Scott Wilson, y Adam C. Smith. Current Contrasting Population Trends Among North American Hummingbirds. Nature Portfolio, 2021.

Cita MLA (8a ed.)

English, Simon G., et al. Current Contrasting Population Trends Among North American Hummingbirds. Nature Portfolio, 2021.