APA引文

Johnson, C. G. (1998). Common plants of the inland Pacific Northwest. USDA Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

Johnson, Charles G. Common Plants of the Inland Pacific Northwest. [Portland, Or.]: USDA Forest Service, Pacific Northwest Region, 1998.

MLA引文

Johnson, Charles G. Common Plants of the Inland Pacific Northwest. USDA Forest Service, Pacific Northwest Region, 1998.

警告：這些引文格式不一定是100％准確.