Schubert, I., & Schubert, D. (2013). Opposites (1st U. S. ed.). Lemniscaat USA.
Chicago Style (17th ed.) CitationSchubert, Ingrid, and Dieter Schubert. Opposites. 1st U. S. ed. New York: Lemniscaat USA, 2013.
MLA引文Schubert, Ingrid, and Dieter Schubert. Opposites. 1st U. S. ed. Lemniscaat USA, 2013.
警告:這些引文格式不一定是100%准確.