Cita APA

Liu, Y., Keller, I., & Heckel, G. (2012). Breeding site fidelity and winter admixture in a long-distance migrant, the tufted duck (Aythya fuligula). Nature Publishing Group.

Citación estilo Chicago

Liu, Y., I. Keller, y G. Heckel. Breeding Site Fidelity and Winter Admixture in a Long-distance Migrant, the Tufted Duck (Aythya Fuligula). Nature Publishing Group, 2012.

Cita MLA

Liu, Y., I. Keller, y G. Heckel. Breeding Site Fidelity and Winter Admixture in a Long-distance Migrant, the Tufted Duck (Aythya Fuligula). Nature Publishing Group, 2012.