APA (7th ed.) Citation

Dent, J. B., & Blackie, M. J. (1979). Systems simulation in agriculture. Applied Science Publishers.

Chicago Style (17th ed.) Citation

Dent, J. B., and M. J. Blackie. Systems Simulation in Agriculture. London: Applied Science Publishers, 1979.

MLA (9th ed.) Citation

Dent, J. B., and M. J. Blackie. Systems Simulation in Agriculture. Applied Science Publishers, 1979.