Palmer, P. J. (2018). On the brink of everything: Grace, gravity, and getting old (First edition.). Berrett-Koehler Publishers.
Cita Chicago Style (17a ed.)Palmer, Parker J. On the Brink of Everything: Grace, Gravity, and Getting Old. First edition. Oakland, CA: Berrett-Koehler Publishers, 2018.
Cita MLA (8a ed.)Palmer, Parker J. On the Brink of Everything: Grace, Gravity, and Getting Old. First edition. Berrett-Koehler Publishers, 2018.
Precaución: Estas citas no son 100% exactas.