Chapman, E. N. (1987). Attitude: Your most priceless possession. Crisp Publications, Inc..
芝加哥风格引文Chapman, Elwood N. Attitude: Your Most Priceless Possession. Los Altos, Calif.: Crisp Publications, Inc., 1987.
MLA引文Chapman, Elwood N. Attitude: Your Most Priceless Possession. Crisp Publications, Inc., 1987.
警告：这些引文格式不一定是100％准确.