APA (7th ed.) Citation

Garrivier, P., & Standards, U. S. N. B. o. (1972). Use of an air-to-air heat exchanger to recover heat from air exhausted by mechanical ventilation. National Bureau of Standards : For sale by the Supt. of Docs., U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

Garrivier, P., and United States. National Bureau of Standards. Use of an Air-to-air Heat Exchanger to Recover Heat from Air Exhausted by Mechanical Ventilation. National Bureau of Standards : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972.

MLA (8th ed.) Citation

Garrivier, P., and United States. National Bureau of Standards. Use of an Air-to-air Heat Exchanger to Recover Heat from Air Exhausted by Mechanical Ventilation. National Bureau of Standards : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972.

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