Stout, S. K., & Docampo, V. (2012). Penelope Crumb. Philomel Books.
芝加哥风格引文Stout, Shawn K., 与 Valeria Docampo. Penelope Crumb. New York: Philomel Books, 2012.
MLA引文Stout, Shawn K., 与 Valeria Docampo. Penelope Crumb. Philomel Books, 2012.
警告：这些引文格式不一定是100％准确.