Cita APA (7a ed.)

Bridgwater, P. (1963). Twentieth-century german verse. Penguin Books.

Cita Chicago Style (17a ed.)

Bridgwater, Patrick. Twentieth-century German Verse. Londres: Penguin Books, 1963.

Cita MLA (9a ed.)

Bridgwater, Patrick. Twentieth-century German Verse. Penguin Books, 1963.