APA (7th ed.) Citation

Gardner, E. S. (1944). The D.A. calls it murder. Triangle books.

Chicago Style (17th ed.) Citation

Gardner, Erle Stanley. The D.A. Calls It Murder. New York: Triangle books, 1944.

MLA (9th ed.) Citation

Gardner, Erle Stanley. The D.A. Calls It Murder. Triangle books, 1944.