Butler, K. (2013). Knocking on heaven's door: The path to a better way of death (First Scribner hardcover edition.). Scribner.
Cita Chicago Style (17a ed.)Butler, Katy. Knocking on Heaven's Door: The Path to a Better Way of Death. First Scribner hardcover edition. New York, NY: Scribner, 2013.
Cita MLA (8a ed.)Butler, Katy. Knocking on Heaven's Door: The Path to a Better Way of Death. First Scribner hardcover edition. Scribner, 2013.
Precaución: Estas citas no son 100% exactas.