Cita APA (7a ed.)

Turtledove, H. (2002). The center cannot hold. Del Rey/Ballantine Books.

Cita Chicago Style (17a ed.)

Turtledove, Harry. The Center Cannot Hold. New York: Del Rey/Ballantine Books, 2002.

Cita MLA (8a ed.)

Turtledove, Harry. The Center Cannot Hold. Del Rey/Ballantine Books, 2002.

Precaución: Estas citas no son 100% exactas.