APA引文

United States. Forest Service. (1958). Timber resources for America's future. U.S. Govt. Print. Off.

芝加哥风格引文

United States. Forest Service. Timber Resources for America's Future. [Washington: U.S. Govt. Print. Off, 1958.

MLA引文

United States. Forest Service. Timber Resources for America's Future. U.S. Govt. Print. Off, 1958.

警告：这些引文格式不一定是100％准确.