APA引文
Botkin, D. B., & Keller, E. A. (1998). Environmental science: Earth as a living planet (2nd ed.). J. Wiley & Sons.
Chicago Style (17th ed.) Citation
Botkin, Daniel B., and Edward A. Keller. Environmental Science: Earth as a Living Planet. 2nd ed. New York: J. Wiley & Sons, 1998.
MLA引文
Botkin, Daniel B., and Edward A. Keller. Environmental Science: Earth as a Living Planet. 2nd ed. J. Wiley & Sons, 1998.
警告：這些引文格式不一定是100％准確.