Cita APA (7a ed.)

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.