APA

Dutton C. J., Quinnell M., Lindsay R., DeLay J. & Barker I. K. (20091022). Paraparesis in a polar bear (Ursus maritimus) associated with West Nile virus infection. : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

Chicago

Dutton Christopher J, Quinnell Mark, Lindsay Robbin, DeLay Josepha and Barker Ian K. 20091022. Paraparesis in a polar bear (Ursus maritimus) associated with West Nile virus infection. : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

Harvard

Dutton C. J., Quinnell M., Lindsay R., DeLay J. and Barker I. K. (20091022). Paraparesis in a polar bear (Ursus maritimus) associated with West Nile virus infection. : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

MLA

Dutton Christopher J, Quinnell Mark, Lindsay Robbin, DeLay Josepha and Barker Ian K. Paraparesis in a polar bear (Ursus maritimus) associated with West Nile virus infection. : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians. 20091022.