Kathleen Weidner Zoehfeld. (1994). What Lives in a Shell? (Let's-Read-and-Find-Out Science 1) (1.). HarperCollins.
芝加哥风格引文Kathleen Weidner Zoehfeld. What Lives in a Shell? (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 1994.
MLA引文Kathleen Weidner Zoehfeld. What Lives in a Shell? (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 1994.
警告：这些引文格式不一定是100％准确.