Heinrich, B. (2012). Life everlasting: The animal way of death. Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Heinrich, Bernd. Life Everlasting: The Animal Way of Death. Boston, MA: Houghton Mifflin Harcourt, 2012.
Cita MLA (8a ed.)Heinrich, Bernd. Life Everlasting: The Animal Way of Death. Houghton Mifflin Harcourt, 2012.
Precaución: Estas citas no son 100% exactas.