Hartwig, D. (2020). The 4 season solution: The groundbreaking new plan for feeling better, living well, and powering down our always-on lives (First Atria Books hardcover edition.). Atria Books.
Cita Chicago Style (17a ed.)Hartwig, Dallas. The 4 Season Solution: The Groundbreaking New Plan for Feeling Better, Living Well, and Powering Down Our Always-on Lives. First Atria Books hardcover edition. New York: Atria Books, 2020.
Cita MLA (8a ed.)Hartwig, Dallas. The 4 Season Solution: The Groundbreaking New Plan for Feeling Better, Living Well, and Powering Down Our Always-on Lives. First Atria Books hardcover edition. Atria Books, 2020.
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