Cita APA

Kullberg, C., Henshaw, I., Jakobsson, S., Johansson, P., & Fransson, T. (2007). Fuelling decisions in migratory birds: Geomagnetic cues override the seasonal effect. The Royal Society.

Citación estilo Chicago

Kullberg, Cecilia, Ian Henshaw, Sven Jakobsson, Patrik Johansson, y Thord Fransson. Fuelling Decisions in Migratory Birds: Geomagnetic Cues Override the Seasonal Effect. The Royal Society, 2007.

Cita MLA

Kullberg, Cecilia, et al. Fuelling Decisions in Migratory Birds: Geomagnetic Cues Override the Seasonal Effect. The Royal Society, 2007.