APA (7th ed.) Citation

Dunoyer, L., & Smith, J. H. (1926). Vacuum practice. G. Bell and sons, ltd..

Chicago Style (17th ed.) Citation

Dunoyer, Louis, and J. H. Smith. Vacuum Practice. London: G. Bell and sons, ltd., 1926.

MLA (9th ed.) Citation

Dunoyer, Louis, and J. H. Smith. Vacuum Practice. G. Bell and sons, ltd., 1926.

Warning: These citations may not always be 100% accurate.