Cita APA

Gilardi, J. D., & Toft, C. A. (2012). Parrots Eat Nutritious Foods despite Toxins. Public Library of Science.

Chicago Style Citation

Gilardi, James D., i Catherine A. Toft. Parrots Eat Nutritious Foods Despite Toxins. Public Library of Science, 2012.

Cita MLA

Gilardi, James D., i Catherine A. Toft. Parrots Eat Nutritious Foods Despite Toxins. Public Library of Science, 2012.