APA (7th ed.) Citation

Walker, J. R. (1980). Exploring metric drafting: Basic fundamentals. Goodheart-Willcox Co..

Chicago Style (17th ed.) Citation

Walker, John R. Exploring Metric Drafting: Basic Fundamentals. South Holland, Ill.: Goodheart-Willcox Co., 1980.

MLA (9th ed.) Citation

Walker, John R. Exploring Metric Drafting: Basic Fundamentals. Goodheart-Willcox Co., 1980.