APA (7th ed.) Citation

Pool, E. B. (1950). New testing techniques in valve design. Product Engineering., 21, 102.

Chicago Style (17th ed.) Citation

Pool, E. B. "New Testing Techniques in Valve Design." Product Engineering. 21 (1950): 102.

MLA (9th ed.) Citation

Pool, E. B. "New Testing Techniques in Valve Design." Product Engineering., vol. 21, 1950, p. 102.

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