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.
Citazione stile Chigago Style (17a edizione)Baxter, Edith Lorraine, Molly Flender, e Sonia Landes. A Literature Guide to Sylvester and the Magic Pebble and Amos and Boris by William Steig. Cambridge: Book Wise, 1989.
Citatione MLA (9a ed.)Baxter, Edith Lorraine, et al. A Literature Guide to Sylvester and the Magic Pebble and Amos and Boris by William Steig. Book Wise, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.