Abbott, W. (1961). Practical geometry and engineering graphics, a textbook for engineering and other students (7th ed.). Blackie.
Chicago Style (17th ed.) CitationAbbott, William. Practical Geometry and Engineering Graphics, a Textbook for Engineering and Other Students. 7th ed. London: Blackie, 1961.
MLA (9th ed.) CitationAbbott, William. Practical Geometry and Engineering Graphics, a Textbook for Engineering and Other Students. 7th ed. Blackie, 1961.
Warning: These citations may not always be 100% accurate.