Thiel,Philip. (1986). Freehand drawing. Prentice hall press.
Chicago Style (17th ed.) CitationThiel,Philip. Freehand Drawing. New York: Prentice hall press, 1986.
MLA (9th ed.) CitationThiel,Philip. Freehand Drawing. Prentice hall press, 1986.
Warning: These citations may not always be 100% accurate.