Tyler, A. (1996). Celestial navigation (1st Ballantine Books trade ed.). Fawcett Columbine.
Cita Chicago Style (17a ed.)Tyler, Anne. Celestial Navigation. 1st Ballantine Books trade ed. New York: Fawcett Columbine, 1996.
Cita MLA (8a ed.)Tyler, Anne. Celestial Navigation. 1st Ballantine Books trade ed. Fawcett Columbine, 1996.
Precaución: Estas citas no son 100% exactas.