APA (7th ed.) Citation
Dennis, N. T. M., & Heppell, T. A. (1968). Vacuum system design. Chapman and Hall.
Chicago Style (17th ed.) Citation
Dennis, N. T. M., and T. A. Heppell. Vacuum System Design. London: Chapman and Hall, 1968.
MLA (9th ed.) Citation
Dennis, N. T. M., and T. A. Heppell. Vacuum System Design. Chapman and Hall, 1968.
Warning: These citations may not always be 100% accurate.