APA

Deem S. L., Fessl B., Good H., Jiménez-Uzcátegui G., Tebbich S., Teschke I., Zabal J. & Parker P. (2009). Captive care guidelines for avian species. Puerto Ayora, Galápagos, Ecuador: Fundación Charles Darwin.

Chicago

Deem Sharon L, Fessl Birgit, Good Harriet, Jiménez-Uzcátegui Gustavo, Tebbich Sabine, Teschke Irmgard, Zabal Javi and Parker Patricia. 2009. Captive care guidelines for avian species. Puerto Ayora, Galápagos, Ecuador: Fundación Charles Darwin.

Harvard

Deem S. L., Fessl B., Good H., Jiménez-Uzcátegui G., Tebbich S., Teschke I., Zabal J. and Parker P. (2009). Captive care guidelines for avian species. Puerto Ayora, Galápagos, Ecuador: Fundación Charles Darwin.

MLA

Deem Sharon L, Fessl Birgit, Good Harriet, Jiménez-Uzcátegui Gustavo, Tebbich Sabine, Teschke Irmgard, Zabal Javi and Parker Patricia. Captive care guidelines for avian species. Puerto Ayora, Galápagos, Ecuador: Fundación Charles Darwin. 2009.