Cita APA (7th ed.)

Gilbert, A. (1970). Death wears a mask. [Published for] the Crime Club [by] Collins.

Cita Chicago (17th ed.)

Gilbert, Anthony. Death Wears a Mask. London: [Published for] the Crime Club [by] Collins, 1970.

Cita MLA (8th ed.)

Gilbert, Anthony. Death Wears a Mask. [Published for] the Crime Club [by] Collins, 1970.