Cita APA (7a ed.)

Loyd, S., & Gardner, M. (1960). Mathematical Puzzles: Volum 2. Dover Publi.

Cita Chicago Style (17a ed.)

Loyd, Sam, y Martin Gardner. Mathematical Puzzles: Volum 2. New York: Dover Publi, 1960.

Cita MLA (9a ed.)

Loyd, Sam, y Martin Gardner. Mathematical Puzzles: Volum 2. Dover Publi, 1960.