(1951). The Queen's awards: The winners of the fourth annual Detective Short-Story Contest sponsored by Ellery Queen's Mystery Magazine. Gollancz.
Cita Chicago (17th ed.)The Queen's Awards: The Winners of the Fourth Annual Detective Short-Story Contest Sponsored by Ellery Queen's Mystery Magazine. London: Gollancz, 1951.
Cita MLA (8th ed.)The Queen's Awards: The Winners of the Fourth Annual Detective Short-Story Contest Sponsored by Ellery Queen's Mystery Magazine. Gollancz, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.