APA (7th ed.) Citation

Morris, C. G., Sim, W. D., & Vysniauskas, T. (1985). An interactive approach to process simulation. Chemical Engineering Progress, 81, 40.

Chicago Style (17th ed.) Citation

Morris, C. G., W. D. Sim, and T. Vysniauskas. "An Interactive Approach to Process Simulation." Chemical Engineering Progress 81 (1985): 40.

MLA (9th ed.) Citation

Morris, C. G., et al. "An Interactive Approach to Process Simulation." Chemical Engineering Progress, vol. 81, 1985, p. 40.