APA (7th ed.) Citation

Porter, H. W., Lascoe, O. D., & Nelson, C. A. (1967). Machine shop operations and setups (3d ed.). American Technical Society.

Chicago Style (17th ed.) Citation

Porter, Harold William, O. D. Lascoe, and Clyde A. Nelson. Machine Shop Operations and Setups. 3d ed. Chicago: American Technical Society, 1967.

MLA (9th ed.) Citation

Porter, Harold William, et al. Machine Shop Operations and Setups. 3d ed. American Technical Society, 1967.