APA (7th ed.) Citation

Connington, J. J. (1930). The two tickets puzzle. Gollancz.

Chicago Style (17th ed.) Citation

Connington, J. J. The Two Tickets Puzzle. London: Gollancz, 1930.

MLA (8th ed.) Citation

Connington, J. J. The Two Tickets Puzzle. Gollancz, 1930.