Cita APA (7a ed.)

Wygant, A. C., & Markley, O. (1988). Information and the future: A handbook of sources and strategies ([1st publ.].). Greenwood Press.

Cita Chicago Style (17a ed.)

Wygant, Alice Chambers, y O.W Markley. Information and the Future: A Handbook of Sources and Strategies. [1st publ.]. New York [etc.]: Greenwood Press, 1988.

Cita MLA (9a ed.)

Wygant, Alice Chambers, y O.W Markley. Information and the Future: A Handbook of Sources and Strategies. [1st publ.]. Greenwood Press, 1988.