APA (7th ed.) Citation

Thaler, R. H., & Sunstein, C. R. (2021). NUDGE: The Final Edition (This updated edition published in Penguin Books 2021.). Penguin Books.

Chicago Style (17th ed.) Citation

Thaler, Richard H., and Cass R. Sunstein. NUDGE: The Final Edition. This updated edition published in Penguin Books 2021. United States: Penguin Books, 2021.

MLA (8th ed.) Citation

Thaler, Richard H., and Cass R. Sunstein. NUDGE: The Final Edition. This updated edition published in Penguin Books 2021. Penguin Books, 2021.