APA (7th ed.) Citation

Pred, A. R., & Törnqvist, G. (1973). Systems of cities and information flows: Two essays. Gleerup.

Chicago Style (17th ed.) Citation

Pred, Allan R., and Gunnar Törnqvist. Systems of Cities and Information Flows: Two Essays. Lund: Gleerup, 1973.

MLA (8th ed.) Citation

Pred, Allan R., and Gunnar Törnqvist. Systems of Cities and Information Flows: Two Essays. Gleerup, 1973.