APA引文

Emmons, R. A. (2007). Thanks!: How the new science of gratitude can make you happier. Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Emmons, Robert A. Thanks!: How the New Science of Gratitude Can Make You Happier. Boston, Mass.: Houghton Mifflin Co., 2007.

MLA引文

Emmons, Robert A. Thanks!: How the New Science of Gratitude Can Make You Happier. Houghton Mifflin Co., 2007.

警告：這些引文格式不一定是100％准確.