Boulding, E., & Boulding, K. E. (1995). The future: Images and processes. Sage Publications.
芝加哥风格引文Boulding, Elise, 与 Kenneth E. Boulding. The Future: Images and Processes. Thousand Oaks, Calif.: Sage Publications, 1995.
MLA引文Boulding, Elise, 与 Kenneth E. Boulding. The Future: Images and Processes. Sage Publications, 1995.
警告：这些引文格式不一定是100％准确.