APA
(2008). Fiendish Posh sudoku. Kansas City, MO: Andrew McMeel Publishing.
Chicago
2008. Fiendish Posh sudoku. Kansas City, MO: Andrew McMeel Publishing.
Harvard
(2008). Fiendish Posh sudoku. Kansas City, MO: Andrew McMeel Publishing.
MLA
Fiendish Posh sudoku. Kansas City, MO: Andrew McMeel Publishing. 2008.