APA(7版)引用形式
ebrary, Inc. (1993). Protecting visibility in national parks and wilderness areas. National Academy Press.
Chicagoスタイル(17版)引用形式
ebrary, Inc. Protecting Visibility in National Parks and Wilderness Areas. Washington, D.C.: National Academy Press, 1993.
MLA(9版)引用形式
ebrary, Inc. Protecting Visibility in National Parks and Wilderness Areas. National Academy Press, 1993.
警告: この引用は必ずしも正確ではありません.