APA (7th ed.) Citation

Cetron, M. J., & O'Toole, T. (1982). Encounters with the future: A forecast of life into the 21st century. McGraw-Hill.

Chicago Style (17th ed.) Citation

Cetron, Marvin J., and Thomas O'Toole. Encounters with the Future: A Forecast of Life into the 21st Century. New York: McGraw-Hill, 1982.

MLA (9th ed.) Citation

Cetron, Marvin J., and Thomas O'Toole. Encounters with the Future: A Forecast of Life into the 21st Century. McGraw-Hill, 1982.