Spencer, H. C. (1962). Basic technical drawing (Rev. ed.). Macmillan.
Chicago Style (17th ed.) CitationSpencer, Henry Cecil. Basic Technical Drawing. Rev. ed. New York: Macmillan, 1962.
MLA (9th ed.) CitationSpencer, Henry Cecil. Basic Technical Drawing. Rev. ed. Macmillan, 1962.
Warning: These citations may not always be 100% accurate.