Grosseck, J. (1981). Great explorers. Fideler.
Cita Chicago Style (17a ed.)Grosseck, Joyce. Great Explorers. Grand Rapids, Mich: Fideler, 1981.
Cita MLA (9a ed.)Grosseck, Joyce. Great Explorers. Fideler, 1981.
Precaución: Estas citas no son 100% exactas.