APA (7th ed.) Citation

Walker, T. D. (1985). Plan graphics : drawing, delineation, lettering: Drawing, delineation, lettering (3rd ed.). PDA Publishers Corp..

Chicago Style (17th ed.) Citation

Walker, Theodore D. Plan Graphics : Drawing, Delineation, Lettering: Drawing, Delineation, Lettering. 3rd ed. Mesa: PDA Publishers Corp., 1985.

MLA (9th ed.) Citation

Walker, Theodore D. Plan Graphics : Drawing, Delineation, Lettering: Drawing, Delineation, Lettering. 3rd ed. PDA Publishers Corp., 1985.

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