Rector, R. K. (2018). The Grand Canyon. Focus Readers.
Cita Chicago Style (17a ed.)Rector, Rebecca Kraft. The Grand Canyon. Lake Elmo, MN: Focus Readers, 2018.
Cita MLA (8a ed.)Rector, Rebecca Kraft. The Grand Canyon. Focus Readers, 2018.
Precaución: Estas citas no son 100% exactas.