Keats, E. J. (1978). The trip. Greenwillow Books.
Cita Chicago Style (17a ed.)Keats, Ezra Jack. The Trip. New York: Greenwillow Books, 1978.
Cita MLA (8a ed.)Keats, Ezra Jack. The Trip. Greenwillow Books, 1978.
Precaución: Estas citas no son 100% exactas.