Miller, G. T., & Spoolman, S. (2015). Sustaining the Earth (Eleventh edition.). Cengage Learning.
芝加哥风格引文Miller, G. Tyler, 与 Scott Spoolman. Sustaining the Earth. Eleventh edition. Stamford, CT, USA: Cengage Learning, 2015.
MLA引文Miller, G. Tyler, 与 Scott Spoolman. Sustaining the Earth. Eleventh edition. Cengage Learning, 2015.
警告：这些引文格式不一定是100％准确.