APA (7th ed.) Citation

Ryans, J. L., & Roper, D. L. (1986). Process vacuum system design and operation. McGraw-Hill.

Chicago Style (17th ed.) Citation

Ryans, J. L., and D. L. Roper. Process Vacuum System Design and Operation. New York: McGraw-Hill, 1986.

MLA (9th ed.) Citation

Ryans, J. L., and D. L. Roper. Process Vacuum System Design and Operation. McGraw-Hill, 1986.