Shaffer, J. J. (2017). City and country. National Geographic.
Cita Chicago Style (17a ed.)Shaffer, Jody Jensen. City and Country. Washington, D.C.: National Geographic, 2017.
Cita MLA (8a ed.)Shaffer, Jody Jensen. City and Country. National Geographic, 2017.
Precaución: Estas citas no son 100% exactas.