Holbrook, D. (1963). Penguin Modern poets; 4. Penguin.
Cita Chicago (17th ed.)Holbrook, David. Penguin Modern Poets; 4. Harmondsworth; Middlesex: Penguin, 1963.
Cita MLA (9th ed.)Holbrook, David. Penguin Modern Poets; 4. Penguin, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.