Cita APA (7a ed.)

Donaldson, S. R. (1983). The power that preserves (13. Print.). Ballantine Books.

Cita Chicago Style (17a ed.)

Donaldson, Stephen R.. The Power That Preserves. 13. Print. New York: Ballantine Books, 1983.

Cita MLA (9a ed.)

Donaldson, Stephen R.. The Power That Preserves. 13. Print. Ballantine Books, 1983.