APA Style

OLENYCH, B. (2004). 40 Cross-Number Puzzles, Grade 4-6 : Fractions, Decimals & Percents . : Scholastic Inc..

MLA Style

OLENYCH, Bob. "40 Cross-Number Puzzles, Grade 4-6 : Fractions, Decimals & Percents". : Scholastic Inc., 2004. BOOK.