Cita APA (7a ed.)

Barker, J. A. a. (1992). Future edge: Discovering the new paradigms of success. William Morrow.

Cita Chicago Style (17a ed.)

Barker, Joel Arthur autor. Future Edge: Discovering the New Paradigms of Success. New York: William Morrow, 1992.

Cita MLA (9a ed.)

Barker, Joel Arthur autor. Future Edge: Discovering the New Paradigms of Success. William Morrow, 1992.