APA引文

Enzer, S., Helmer, O., & Gray, P. (1975). Alternative futures for California: A report. Center for Futures Research, University of Southern Calfornia.

Chicago Style (17th ed.) Citation

Enzer, Selwyn, Olaf Helmer, and Paul Gray. Alternative Futures for California: A Report. Los Angeles, Calif.: Center for Futures Research, University of Southern Calfornia, 1975.

MLA引文

Enzer, Selwyn, et al. Alternative Futures for California: A Report. Center for Futures Research, University of Southern Calfornia, 1975.