Spinelli, E., & DePalma, M. N. (2004). Now it is winter. Eerdmans Books for Young Readers.
芝加哥风格引文Spinelli, Eileen, 与 Mary Newell DePalma. Now It Is Winter. Grand Rapids, Mich.: Eerdmans Books for Young Readers, 2004.
MLA引文Spinelli, Eileen, 与 Mary Newell DePalma. Now It Is Winter. Eerdmans Books for Young Readers, 2004.
警告：这些引文格式不一定是100％准确.