Williamson, J. (2020). Genius-level sudoku. New York:: Workman Publishing Co.,Inc,.
Chicago Style CitationWilliamson, James. Genius-level Sudoku. New York:: Workman Publishing Co.,Inc,, 2020.
MLA CitationWilliamson, James. Genius-level Sudoku. New York:: Workman Publishing Co.,Inc,, 2020.
Warning: These citations may not always be 100% accurate.