APA (7th ed.) Citation

Firth, C. B., & Vander Willigen, A. W. (1970). Engineering drawing technology / by C.B. Firth and A.W. Vander Willigen. McGraw-Hill.

Chicago Style (17th ed.) Citation

Firth, C. B., and A. W. Vander Willigen. Engineering Drawing Technology / by C.B. Firth and A.W. Vander Willigen. McGraw-Hill, 1970.

MLA (9th ed.) Citation

Firth, C. B., and A. W. Vander Willigen. Engineering Drawing Technology / by C.B. Firth and A.W. Vander Willigen. McGraw-Hill, 1970.

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