Holt, L. E., & Howland, J. (1939). Diseases of infancy and childhood.
芝加哥风格引文Holt, L. Emett, 与 Jhon Howland. Diseases of Infancy and Childhood. 1939.
MLA引文Holt, L. Emett, 与 Jhon Howland. Diseases of Infancy and Childhood. 1939.
警告：这些引文格式不一定是100％准确.