APA (7th ed.) Citation

Liddle, C. J. (1972). Optimum design of recycle reaction systems. Chemical & Process Engineering, 53, 50.

Chicago Style (17th ed.) Citation

Liddle, C. J. "Optimum Design of Recycle Reaction Systems." Chemical & Process Engineering 53 (1972): 50.

MLA (9th ed.) Citation

Liddle, C. J. "Optimum Design of Recycle Reaction Systems." Chemical & Process Engineering, vol. 53, 1972, p. 50.