Cita APA

Barker, J. A. (1992). Future edge. New York: William Morrow and Company.

Chicago Style Citation

Barker, Joel Arthur. Future Edge. New York: William Morrow and Company, 1992.

Cita MLA

Barker, Joel Arthur. Future Edge. New York: William Morrow and Company, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.