APA (7th ed.) Citation

Partch, L. E., & Bridge, T. E. (1950). Methods of making piping flexibility analyses. Heating/Piping/Air Conditioning., 22, 92.

Chicago Style (17th ed.) Citation

Partch, L. E., and T. E. Bridge. "Methods of Making Piping Flexibility Analyses." Heating/Piping/Air Conditioning. 22 (1950): 92.

MLA (9th ed.) Citation

Partch, L. E., and T. E. Bridge. "Methods of Making Piping Flexibility Analyses." Heating/Piping/Air Conditioning., vol. 22, 1950, p. 92.