APA (7th ed.) Citation

McPherson, E., & Ashton, D. L. (1980). Metric engineering drawing exmples. John Murray.

Chicago Style (17th ed.) Citation

McPherson, E., and D. L. Ashton. Metric Engineering Drawing Exmples. London: John Murray, 1980.

MLA (9th ed.) Citation

McPherson, E., and D. L. Ashton. Metric Engineering Drawing Exmples. John Murray, 1980.