Gray, J. (2013). Venus on fire mars on ice: The Key to Love, Life and Energy. Pralibris Publishing Media.
芝加哥风格引文Gray, John. Venus on Fire Mars on Ice: The Key to Love, Life and Energy. Conquitlam: Pralibris Publishing Media, 2013.
MLA引文Gray, John. Venus on Fire Mars on Ice: The Key to Love, Life and Energy. Pralibris Publishing Media, 2013.
警告：这些引文格式不一定是100％准确.