Cita APA

Adams, A. B. (1962). First World Conference on National Parks. Washington: National Park Service, U.S. Dept of the Interior.

Citación estilo Chicago

Adams, Alexander B. First World Conference On National Parks. Washington: National Park Service, U.S. Dept of the Interior, 1962.

Cita MLA

Adams, Alexander B. First World Conference On National Parks. Washington: National Park Service, U.S. Dept of the Interior, 1962.