APA Style

Waldinger, R., Schulz, M. (2023). The good life and how to live it: lessons from the worlds longest study on happiness/ Robert Waldinger, Marc Schulz . London: Riders Books.

MLA Style

Waldinger, Robert., Schulz, Marc. "The good life and how to live it: lessons from the worlds longest study on happiness/ Robert Waldinger, Marc Schulz". London: Riders Books, 2023. Text.