Beard, C. A., & Beard, M. R. (1944). A basic history of the United States. New York: New Home Library.
芝加哥风格引文Beard, Charles A., 与 Mary R. Beard. A Basic History of the United States. New York: New Home Library, 1944.
MLA引文Beard, Charles A., 与 Mary R. Beard. A Basic History of the United States. New York: New Home Library, 1944.
警告：这些引文格式不一定是100％准确.