Always, J., & Haddon Squire, M. (1965). Puzzles to puzzle you. Tandem Books.
Cita Chicago Style (17a ed.)Always, Jonathan, y Mair Haddon Squire. Puzzles to Puzzle You. London: Tandem Books, 1965.
Cita MLA (8a ed.)Always, Jonathan, y Mair Haddon Squire. Puzzles to Puzzle You. Tandem Books, 1965.
Precaución: Estas citas no son 100% exactas.