APA-Zitierstil (7. Ausg.)

Wright, R. G. (1990). An index bibliography of wildlife research in the US national parks. United States Dep. of the Interior, National Park Service.

Chicago-Zitierstil (17. Ausg.)

Wright, R. Gerald. An Index Bibliography of Wildlife Research in the US National Parks. Washington, DC: United States Dep. of the Interior, National Park Service, 1990.

MLA-Zitierstil (9. Ausg.)

Wright, R. Gerald. An Index Bibliography of Wildlife Research in the US National Parks. United States Dep. of the Interior, National Park Service, 1990.