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