Cita APA (7a ed.)
Snyder, G. In the footsteps of Lewis and Clark / [por] Gerald S. Snyder.
Cita estilo Chicago (17a ed.)
Snyder, Gerald. In the Footsteps of Lewis and Clark / [por] Gerald S. Snyder.
Cita MLA (9a ed.)
Snyder, Gerald. In the Footsteps of Lewis and Clark / [por] Gerald S. Snyder.
Precaución: Estas citas no son 100% exactas.