Cita APA (7a ed.)

Yorio, P., Petracci, P. F., & García Borboroglu, P. (2013). Current status of the threatened Olrog's Gull Larus atlanticus: Global population, breeding distribution and threats.

Cita Chicago Style (17a ed.)

Yorio, Pablo, Pablo Fabricio Petracci, y Pablo García Borboroglu. Current Status of the Threatened Olrog's Gull Larus Atlanticus: Global Population, Breeding Distribution and Threats. 2013.

Cita MLA (8a ed.)

Yorio, Pablo, et al. Current Status of the Threatened Olrog's Gull Larus Atlanticus: Global Population, Breeding Distribution and Threats. 2013.