Farrar. Shrubs and Vines of Iowa. University of Iowa Press.
芝加哥风格引文Farrar. Shrubs and Vines of Iowa. University of Iowa Press.
MLA引文Farrar. Shrubs and Vines of Iowa. University of Iowa Press.
警告：这些引文格式不一定是100％准确.
APA引文
Farrar. Shrubs and Vines of Iowa. University of Iowa Press.
芝加哥风格引文Farrar. Shrubs and Vines of Iowa. University of Iowa Press.
MLA引文Farrar. Shrubs and Vines of Iowa. University of Iowa Press.