APA (7th ed.) Citation

Cliff, A. D., & Ord, J. K. (1981). Spatial processes: Models & applications. Pion.

Chicago Style (17th ed.) Citation

Cliff, A. D., and J. K. Ord. Spatial Processes: Models & Applications. London: Pion, 1981.

MLA (9th ed.) Citation

Cliff, A. D., and J. K. Ord. Spatial Processes: Models & Applications. Pion, 1981.