Cita APA (7th ed.)

Eden, G. (1945). Retrato de Churchill (1a.ed.). s.e.

Cita Chicago (17th ed.)

Eden, Guy. Retrato De Churchill. 1a.ed. Barcelona: s.e, 1945.

Cita MLA (9th ed.)

Eden, Guy. Retrato De Churchill. 1a.ed. s.e, 1945.