Gardner, M. (2001). A Gardner's workout: Training the mind and entertaining the spirit. A.K Peters.
芝加哥风格引文Gardner, Martin. A Gardner's Workout: Training the Mind and Entertaining the Spirit. Natick, Mass.: A.K Peters, 2001.
MLA引文Gardner, Martin. A Gardner's Workout: Training the Mind and Entertaining the Spirit. A.K Peters, 2001.
警告：这些引文格式不一定是100％准确.