APA (7th ed.) Citation

Elwell, F. W. (1991). The evolution of the future. Praeger.

Chicago Style (17th ed.) Citation

Elwell, Frank W. The Evolution of the Future. New York: Praeger, 1991.

MLA (9th ed.) Citation

Elwell, Frank W. The Evolution of the Future. Praeger, 1991.

Warning: These citations may not always be 100% accurate.