Wendy Pfeffer. (2012). From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1) (1.). HarperCollins.
芝加哥风格引文Wendy Pfeffer. From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 2012.
MLA引文Wendy Pfeffer. From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 2012.
警告：这些引文格式不一定是100％准确.