APA Style
Allen, Robert. (1998).
Holiday Puzzles .
United Kingdom:
Mensa.
Chicago Style
Allen, Robert.
Holiday Puzzles.
United Kingdom:
Mensa,
1998.
Text.
MLA Style
Allen, Robert.
Holiday Puzzles.
United Kingdom:
Mensa,
1998.
Text.
Turabian Style
Allen, Robert.
Holiday Puzzles.
United Kingdom:
Mensa,
1998.
Print.