Spence, W. P. (1991). Architecture: Design, engineering, drawing (6th ed.). Glencoe/McGraw-Hill.
Chicago Style (17th ed.) CitationSpence, William Perkins. Architecture: Design, Engineering, Drawing. 6th ed. Peoria, Ill.: Glencoe/McGraw-Hill, 1991.
MLA (8th ed.) CitationSpence, William Perkins. Architecture: Design, Engineering, Drawing. 6th ed. Glencoe/McGraw-Hill, 1991.
Warning: These citations may not always be 100% accurate.