Arnosky, J. (1993). Every autumn comes the bear. Putnam's.
Cita Chicago Style (17a ed.)Arnosky, Jim. Every Autumn Comes the Bear. New York: Putnam's, 1993.
Cita MLA (8a ed.)Arnosky, Jim. Every Autumn Comes the Bear. Putnam's, 1993.
Precaución: Estas citas no son 100% exactas.