APA (7th ed.) Citation

Smullyan, R. M. (2009). Logical labyrinths. A.K. Peters.

Chicago Style (17th ed.) Citation

Smullyan, Raymond M. Logical Labyrinths. Wellesley, Mass.: A.K. Peters, 2009.

MLA (9th ed.) Citation

Smullyan, Raymond M. Logical Labyrinths. A.K. Peters, 2009.