APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Porter, Harold William, Clyde A. Nelson, and Orville D. Lasco. Machine Shop Operations and Setups. 3rd ed. Chicago: American Technical Society, 1967.

MLA (9th ed.) Citation

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