APA (7th ed.) Citation
White, P. A. F. (1964). High efficiency air filtration. [s.n.].
Chicago Style (17th ed.) Citation
White, P. A. F. High Efficiency Air Filtration. [s.l.]: [s.n.], 1964.
MLA (9th ed.) Citation
White, P. A. F. High Efficiency Air Filtration. [s.n.], 1964.
Warning: These citations may not always be 100% accurate.