APA (7th ed.) Citation

Engels, J. (2018). The art of gratitude. State University of New York.

Chicago Style (17th ed.) Citation

Engels, Jeremy. The Art of Gratitude. Albany, NY: State University of New York, 2018.

MLA (9th ed.) Citation

Engels, Jeremy. The Art of Gratitude. State University of New York, 2018.

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