APA (7th ed.) Citation

Blakey, J., & Shankley, J. A. H. (1921). Garvin 12-in. cam milling machine. Engineering & Industrial Management, 5, 566.

Chicago Style (17th ed.) Citation

Blakey, J., and J. A. H. Shankley. "Garvin 12-in. Cam Milling Machine." Engineering & Industrial Management 5 (1921): 566.

MLA (9th ed.) Citation

Blakey, J., and J. A. H. Shankley. "Garvin 12-in. Cam Milling Machine." Engineering & Industrial Management, vol. 5, 1921, p. 566.