Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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