Jensen, C. H., & Helsel, J. D. (1990). Engineering Drawing and Design (4th ed.). Gregg Division, McGraw-Hill.
Chicago Style (17th ed.) CitationJensen, Cecil Howard, and Jay D. Helsel. Engineering Drawing and Design. 4th ed. New York: Gregg Division, McGraw-Hill, 1990.
MLA (9th ed.) CitationJensen, Cecil Howard, and Jay D. Helsel. Engineering Drawing and Design. 4th ed. Gregg Division, McGraw-Hill, 1990.
Warning: These citations may not always be 100% accurate.