Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Dennis, N. T. M., y T. A. Heppell. Vacuum System Design. London: Chapman and Hall, 1968.

Cita MLA (8a ed.)

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