Dr. Franklyn M. Branley. (1998). Floating in Space (Let's-Read-and-Find-Out Science 2). HarperCollins.
芝加哥风格引文Dr. Franklyn M. Branley. Floating in Space (Let's-Read-and-Find-Out Science 2). HarperCollins, 1998.
MLA引文Dr. Franklyn M. Branley. Floating in Space (Let's-Read-and-Find-Out Science 2). HarperCollins, 1998.
警告：这些引文格式不一定是100％准确.