APA引用形式

Gardner, M., & Schroeder, T. (1997). Puzzling questions about the solar system. Dover Publications.

シカゴスタイル引用形

Gardner, Martin, , Ted Schroeder. Puzzling Questions About the Solar System. Mineola, N.Y.: Dover Publications, 1997.

MLA引用形式

Gardner, Martin, , Ted Schroeder. Puzzling Questions About the Solar System. Dover Publications, 1997.

警告: この引用は必ずしも正確ではありません.