Cita APA (7a ed.)
Breeden, R. L., & Carmichael, L. Those Inventive Americans. National Geographic Society, Special Publications Division.
Cita estilo Chicago (17a ed.)
Breeden, Robert L., y Leonard Carmichael. Those Inventive Americans. Washington, EUA: National Geographic Society, Special Publications Division.
Cita MLA (9a ed.)
Breeden, Robert L., y Leonard Carmichael. Those Inventive Americans. National Geographic Society, Special Publications Division.
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