Cita APA (7a ed.)
Halal, W. E., Kull, M. D., & Leffmann, A. (November/December 1997). Emerging technologies: What's ahead for 2001-2030. Futurist, 31, 20-29.
Cita Chicago Style (17a ed.)
Halal, William E., Michael D. Kull, y Ann Leffmann. "Emerging Technologies: What's Ahead for 2001-2030." Futurist 31 (November/December 1997): 20-29.
Cita MLA (9a ed.)
Halal, William E., et al. "Emerging Technologies: What's Ahead for 2001-2030." Futurist, vol. 31, November/December 1997, pp. 20-29.
Precaución: Estas citas no son 100% exactas.