Cita APA (7th ed.)

Kraitchik, M. (1953). Mathematical recreations (2a. ed.). Dover.

Cita Chicago (17th ed.)

Kraitchik, Maurice. Mathematical Recreations. 2a. ed. Nueva York: Dover, 1953.

Cita MLA (9th ed.)

Kraitchik, Maurice. Mathematical Recreations. 2a. ed. Dover, 1953.