French, T. E., & Turnbull, W. D. (1950). Lessons in lettering: A series of practice books with text, examples and exercises (3d ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationFrench, Thomas Ewing, and William Davis Turnbull. Lessons in Lettering: A Series of Practice Books with Text, Examples and Exercises. 3d ed. New York: McGraw-Hill, 1950.
MLA (9th ed.) CitationFrench, Thomas Ewing, and William Davis Turnbull. Lessons in Lettering: A Series of Practice Books with Text, Examples and Exercises. 3d ed. McGraw-Hill, 1950.
Warning: These citations may not always be 100% accurate.