Baxter, E. L., Flender, M., & Landes, S. (1989). A literature guide to Sylvester and the magic pebble and Amos and Boris by William Steig. Book Wise.
芝加哥风格引文Baxter, Edith Lorraine, Molly Flender, 与 Sonia Landes. A Literature Guide to Sylvester and the Magic Pebble and Amos and Boris by William Steig. Cambridge: Book Wise, 1989.
MLA引文Baxter, Edith Lorraine, et al. A Literature Guide to Sylvester and the Magic Pebble and Amos and Boris by William Steig. Book Wise, 1989.
警告：这些引文格式不一定是100％准确.