APA (7th ed.) Citation

Gardner, E. S. (1959). The D.A. draws a circle. Cardinal.

Chicago Style (17th ed.) Citation

Gardner, Erle Stanley. The D.A. Draws a Circle. Nueva York: Cardinal, 1959.

MLA (9th ed.) Citation

Gardner, Erle Stanley. The D.A. Draws a Circle. Cardinal, 1959.