APA (7th ed.) Citation

Chapman, E. N. (1987). Attitude: Your most priceless possession. Crisp Publications, Inc..

Chicago Style (17th ed.) Citation

Chapman, Elwood N. Attitude: Your Most Priceless Possession. Los Altos, Calif.: Crisp Publications, Inc., 1987.

MLA (9th ed.) Citation

Chapman, Elwood N. Attitude: Your Most Priceless Possession. Crisp Publications, Inc., 1987.

Warning: These citations may not always be 100% accurate.