APA (7th ed.) Citation

Spencer, H. C., & Dygdon, J. T. Basic technical drawing. Macmillan.

Chicago Style (17th ed.) Citation

Spencer, Henry Cecil, and John Tnomas Dygdon. Basic Technical Drawing. New York: Macmillan.

MLA (9th ed.) Citation

Spencer, Henry Cecil, and John Tnomas Dygdon. Basic Technical Drawing. Macmillan.

Warning: These citations may not always be 100% accurate.