Feduccia, Alan. "3. The Iconic Urvogel Was A Bird". Riddle of the Feathered Dragons: Hidden Birds of China, New Haven: Yale University Press, 2012, pp. 55-92. https://doi.org/10.12987/9780300165692-005
Feduccia, A. (2012). 3. The Iconic Urvogel Was A Bird. In Riddle of the Feathered Dragons: Hidden Birds of China (pp. 55-92). New Haven: Yale University Press. https://doi.org/10.12987/9780300165692-005
Feduccia, A. 2012. 3. The Iconic Urvogel Was A Bird. Riddle of the Feathered Dragons: Hidden Birds of China. New Haven: Yale University Press, pp. 55-92. https://doi.org/10.12987/9780300165692-005
Feduccia, Alan. "3. The Iconic Urvogel Was A Bird" In Riddle of the Feathered Dragons: Hidden Birds of China, 55-92. New Haven: Yale University Press, 2012. https://doi.org/10.12987/9780300165692-005
Feduccia A. 3. The Iconic Urvogel Was A Bird. In: Riddle of the Feathered Dragons: Hidden Birds of China. New Haven: Yale University Press; 2012. p.55-92. https://doi.org/10.12987/9780300165692-005