APA (7th ed.) Citation

Singer, F. L. (1974). 812A PBX. Bell Laboratories Record., 52, 302.

Chicago Style (17th ed.) Citation

Singer, F. L. "812A PBX." Bell Laboratories Record. 52 (1974): 302.

MLA (9th ed.) Citation

Singer, F. L. "812A PBX." Bell Laboratories Record., vol. 52, 1974, p. 302.

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