APA引文

Helzer. The Ecology and Management of Prairies in the Central United States. University of Iowa Press.

Chicago Style (17th ed.) Citation

Helzer. The Ecology and Management of Prairies in the Central United States. University of Iowa Press.

MLA引文

Helzer. The Ecology and Management of Prairies in the Central United States. University of Iowa Press.

警告：這些引文格式不一定是100％准確.