Cita APA

Boorstin, D. J. 1., Branscomb, L. M. 1., Bryson, R. A. 1., Ehrlich, P. R. 1., & Hoffman, G. W. 1. (1988). Earth '88: Changing geographic perspectives : proceedings of the Centennial Symposium. Washington, D.C.: National Geographic Society.

Citación estilo Chicago

Boorstin, Daniel Joseph 1914-2004, Lewis McAdory 1926- Branscomb, Reid Allen 1920-2008 Bryson, Paul Ralph 1932- Ehrlich, y George Walter 1914-1990 Hoffman. Earth '88: Changing Geographic Perspectives : Proceedings of the Centennial Symposium. Washington, D.C.: National Geographic Society, 1988.

Cita MLA

Boorstin, Daniel Joseph 1914-2004, et al. Earth '88: Changing Geographic Perspectives : Proceedings of the Centennial Symposium. Washington, D.C.: National Geographic Society, 1988.