Citazione Stile APA (7a Edizione)

Blake, N. (1964). The sad variety. Published for the Crime Club by Collins.

Citazione stile Chigago Style (17a edizione)

Blake, Nicholas. The Sad Variety. London: Published for the Crime Club by Collins, 1964.

Citatione MLA (8a ed.)

Blake, Nicholas. The Sad Variety. Published for the Crime Club by Collins, 1964.