Cita APA (7a ed.)

National Geographic Society., Peele, W. T., & Cook, D. W. (1973). Wisconsin, Michigan and the Great Lakes: Close-up: U.S.A. National Geographic Society.

Cita Chicago Style (17a ed.)

National Geographic Society., William T. Peele, y David W. Cook. Wisconsin, Michigan and the Great Lakes: Close-up: U.S.A. Washington: National Geographic Society, 1973.

Cita MLA (9a ed.)

National Geographic Society., et al. Wisconsin, Michigan and the Great Lakes: Close-up: U.S.A. National Geographic Society, 1973.