APA
Summers G. J., . (1989). The Great book of puzzles & teasers. New York: Jaico Publishing House.
Chicago
Summers George J, . 1989. The Great book of puzzles & teasers. New York: Jaico Publishing House.
Harvard
Summers G. J., . (1989). The Great book of puzzles & teasers. New York: Jaico Publishing House.
MLA
Summers George J, . The Great book of puzzles & teasers. New York: Jaico Publishing House. 1989.