Cita APA (7a ed.)

Jones, G., & Barnes, M. (1967). Britain on borrowed time. Penguin.

Cita Chicago Style (17a ed.)

Jones, Glyn, y Michael Barnes. Britain on Borrowed Time. Harmondsworth: Penguin, 1967.

Cita MLA (8a ed.)

Jones, Glyn, y Michael Barnes. Britain on Borrowed Time. Penguin, 1967.