Archer, J. (1991). As the crow flies. HarperCollins, Coronet Books.
Cita Chicago Style (17a ed.)Archer, Jeffrey. As the Crow Flies. New York : Hodder: HarperCollins, Coronet Books, 1991.
Cita MLA (8a ed.)Archer, Jeffrey. As the Crow Flies. HarperCollins, Coronet Books, 1991.
Precaución: Estas citas no son 100% exactas.