(2018). The 5 AM club: Own your morning, elevate your life. HarperCollins Publishers Ltd.
Cita Chicago (17th ed.)The 5 AM Club: Own Your Morning, Elevate Your Life. Toronto, Ontario, Canada: HarperCollins Publishers Ltd, 2018.
Cita MLA (9th ed.)The 5 AM Club: Own Your Morning, Elevate Your Life. HarperCollins Publishers Ltd, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.