APA

Christie (Agatha), . (1934). Why Didnt They Ask Evans?. : .

Chicago

Christie (Agatha), . 1934. Why Didnt They Ask Evans?. : .

Harvard

Christie (Agatha), . (1934). Why Didnt They Ask Evans?. : .

MLA

Christie (Agatha), . Why Didnt They Ask Evans?. : . 1934.