Caldwell, H. R., Caldwell, J. C., & Caldwell, M. E. (1931). South China birds: A complete, popular and scientific account of nearly five hundred and fifty forms of birds found in Fukien, Kwangtung, Kiangsi, Kiangsu and Chekiang provinces. H.M. Vanderburgh.
Chicago Style (17th ed.) CitationCaldwell, Harry R., John C. Caldwell, and Muriel E. Caldwell. South China Birds: A Complete, Popular and Scientific Account of Nearly Five Hundred and Fifty Forms of Birds Found in Fukien, Kwangtung, Kiangsi, Kiangsu and Chekiang Provinces. Shanghai: H.M. Vanderburgh, 1931.
MLA (9th ed.) CitationCaldwell, Harry R., et al. South China Birds: A Complete, Popular and Scientific Account of Nearly Five Hundred and Fifty Forms of Birds Found in Fukien, Kwangtung, Kiangsi, Kiangsu and Chekiang Provinces. H.M. Vanderburgh, 1931.