APA引文

LeapFrog Productions, inc, & United States. Bureau of Land Management. (2001). The vanishing shrub-steppe. Bureau of Land Management.

Chicago Style (17th ed.) Citation

LeapFrog Productions, inc, and United States. Bureau of Land Management. The Vanishing Shrub-steppe. Wenatchee, WA: Bureau of Land Management, 2001.

MLA引文

LeapFrog Productions, inc, and United States. Bureau of Land Management. The Vanishing Shrub-steppe. Bureau of Land Management, 2001.

警告：這些引文格式不一定是100％准確.