APA (7th ed.) Citation

McPherson, E., & Ashton, D. L. (1979). Metric engineering drawing examples. Gulf Publishig Co..

Chicago Style (17th ed.) Citation

McPherson, E., and D. L. Ashton. Metric Engineering Drawing Examples. Houston: Gulf Publishig Co., 1979.

MLA (9th ed.) Citation

McPherson, E., and D. L. Ashton. Metric Engineering Drawing Examples. Gulf Publishig Co., 1979.