APA引文
Keeton, W. T., Gould, C. G., & Gould, J. L. (1993). Biological science (5th ed.). Norton.
Chicago Style (17th ed.) Citation
Keeton, William T., Carol Grant Gould, and James L. Gould. Biological Science. 5th ed. New York: Norton, 1993.
MLA引文
Keeton, William T., et al. Biological Science. 5th ed. Norton, 1993.
警告：這些引文格式不一定是100％准確.