Cita APA (7th ed.)

Colston Research Society, Chisholm, M., Frey, A., & Haggett, P. (1971). Regional forecasting: Proceedings of the twentysecond Symposium of the Colston Research Society held in the University of Bristol, April 6th to 10th, 1970. Butterworths.

Cita Chicago (17th ed.)

Colston Research Society, Michael Chisholm, Allan Frey, i Peter Haggett. Regional Forecasting: Proceedings of the Twentysecond Symposium of the Colston Research Society Held in the University of Bristol, April 6th to 10th, 1970. London: Butterworths, 1971.

Cita MLA (8th ed.)

Colston Research Society, et al. Regional Forecasting: Proceedings of the Twentysecond Symposium of the Colston Research Society Held in the University of Bristol, April 6th to 10th, 1970. Butterworths, 1971.