APA (7th ed.) Citation

Li, N. N., Matulevicius, E. S., & Fels, M. (1972). Recent advances in separation techniques. American Institute of Chemical Engineers.

Chicago Style (17th ed.) Citation

Li, Norman N., E. S. Matulevicius, and Morton Fels. Recent Advances in Separation Techniques. New York: American Institute of Chemical Engineers, 1972.

MLA (9th ed.) Citation

Li, Norman N., et al. Recent Advances in Separation Techniques. American Institute of Chemical Engineers, 1972.