APA (7th ed.) Citation

Walker, T. D. (1977). Perspective sketches (3rd ed.). PDA Pub.

Chicago Style (17th ed.) Citation

Walker, Theodore D. Perspective Sketches. 3rd ed. West Lafayette, Ind: PDA Pub, 1977.

MLA (9th ed.) Citation

Walker, Theodore D. Perspective Sketches. 3rd ed. PDA Pub, 1977.

Warning: These citations may not always be 100% accurate.