APA引文

Eldon D. Enger. (2003). Concepts in biology. Boston, MA: McGraw-Hill.

Trích dẫn kiểu Chicago

Eldon D. Enger. Concepts in Biology. Boston, MA: McGraw-Hill, 2003.

MLA引文

Eldon D. Enger. Concepts in Biology. Boston, MA: McGraw-Hill, 2003.

警告：这些引文格式不一定是100％准确.