Cita APA

Heilbrun, C. G. 1. (1998). The last gift of time: Life beyond sixty (First edition.). New York: Ballantine Books.

Citación estilo Chicago

Heilbrun, Carolyn G. 1926-2003. The Last Gift of Time: Life Beyond Sixty. First edition. New York: Ballantine Books, 1998.

Cita MLA

Heilbrun, Carolyn G. 1926-2003. The Last Gift of Time: Life Beyond Sixty. First edition. New York: Ballantine Books, 1998.