APA (7th ed.) Citation

Walker, T. D. (1989). Perspective sketches (5th ed.). Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Walker, Theodore D. Perspective Sketches. 5th ed. New York: Van Nostrand Reinhold, 1989.

MLA (9th ed.) Citation

Walker, Theodore D. Perspective Sketches. 5th ed. Van Nostrand Reinhold, 1989.