Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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