APA (7th ed.) Citation

Dennis, N. T., & Heppell, T. A. (1968). Vacuum system design. Chapman and Hall.

Chicago Style (17th ed.) Citation

Dennis, N. T., and T. A. Heppell. Vacuum System Design. Londres: Chapman and Hall, 1968.

MLA (9th ed.) Citation

Dennis, N. T., and T. A. Heppell. Vacuum System Design. Chapman and Hall, 1968.