Give 'em the ax
MLA
Gardner, Erle Stanley. Give 'em the Ax. New York: Grosset & Dunlap, 1944
APA, 7th edition
Gardner, E. Stanley. (1944). Give 'em the ax. New York: Grosset & Dunlap
Chicago, 17th edition
Gardner, Erle Stanley. Give 'em the ax. New York: Grosset & Dunlap, 1944