Cita APA (7th ed.)

Severns, W. H., Degler, H. E., & Miles, J. C. (1956). Steam, air, and gas power (5a. ed.). John Wiley and Sons Inc.

Cita Chicago (17th ed.)

Severns, William H., Howard E. Degler, i John C. Miles. Steam, Air, and Gas Power. 5a. ed. Nueva York: John Wiley and Sons Inc, 1956.

Cita MLA (9th ed.)

Severns, William H., et al. Steam, Air, and Gas Power. 5a. ed. John Wiley and Sons Inc, 1956.