APA引文

Enger, E. D., & Smith, B. F. (1998). Environmental Science: A Study of Interrelationships. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Enger, Eldon D., và Bradley F. Smith. Environmental Science: A Study of Interrelationships. Boston: McGraw-Hill, 1998.

MLA引文

Enger, Eldon D., và Bradley F. Smith. Environmental Science: A Study of Interrelationships. Boston: McGraw-Hill, 1998.

警告：这些引文格式不一定是100％准确.