Derks, S. (2012). This is who we were: A companion to the 1940 census. Grey House Pub..
芝加哥风格引文Derks, Scott. This Is Who We Were: A Companion to the 1940 Census. Amenia, N.Y.: Grey House Pub., 2012.
MLA引文Derks, Scott. This Is Who We Were: A Companion to the 1940 Census. Grey House Pub., 2012.
警告：这些引文格式不一定是100％准确.