The album covers vary greatly in its different versions. The original cover of "Demon" shows Víctor playing the guitar in black and white and in high contrast. A 1975 Mexican reissue by RCA, in addition to changing the name of the album to "Canto a lo humano". It shows on its cover a cross and a guitar in blue tones. Several Spanish versions are also reissued under this name: in 1979 (Movieplay), 1986 and 1994 (Fonomusic), with a color photo of Víctor playing the guitar; as well as a French version for the Chilean label DICAP and a German version for the Pläne label, both from 1981, with their profile in black and white, accompanied by colored lines. Later in 1993, a new Chilean reissue by Sony / Columbia, which changes the name of the album to His best songs, shows a black and white photograph of Victor Jara with a beard playing the guitar, on a red background with yellow letters. Finally, a 2001 reissue on CD by Warner Music Chile, with the original title, shows the singer-songwriter in full body and color, walking with his guitar on a river bed, wearing a red shirt and black pants. This version on CD also included five bonus tracks, four of which are songs by Víctor Jara along with Cuncumén.