APA (7th ed.) Citation

Bradley, R., Gibson, R. D., & Cross, M. (1981). Case studies in mathematical modelling. Pentech Press.

Chicago Style (17th ed.) Citation

Bradley, R., R. D. Gibson, and M. Cross. Case Studies in Mathematical Modelling. London: Pentech Press, 1981.

MLA (8th ed.) Citation

Bradley, R., et al. Case Studies in Mathematical Modelling. Pentech Press, 1981.