APA引文

Helferich, G. (2007). High cotton: Four seasons in the Mississippi Delta. Counterpoint.

Chicago Style (17th ed.) Citation

Helferich, Gerard. High Cotton: Four Seasons in the Mississippi Delta. New York: Counterpoint, 2007.

MLA引文

Helferich, Gerard. High Cotton: Four Seasons in the Mississippi Delta. Counterpoint, 2007.

警告：這些引文格式不一定是100％准確.