APA
Gardner M., . (1959). Mathematical Puzzles Of Sam Loyd. : Dp.
Chicago
Gardner Martin, . 1959. Mathematical Puzzles Of Sam Loyd. : Dp.
Harvard
Gardner M., . (1959). Mathematical Puzzles Of Sam Loyd. : Dp.
MLA
Gardner Martin, . Mathematical Puzzles Of Sam Loyd. : Dp. 1959.