Williams, M., & Somerwill, H. (1982). 40 math games to make and play: The early years. Macmillan Education.
Chicago Style (17th ed.) CitationWilliams, Margaret, and Heather Somerwill. 40 Math Games to Make and Play: The Early Years. Hampshire: Macmillan Education, 1982.
MLA (9th ed.) CitationWilliams, Margaret, and Heather Somerwill. 40 Math Games to Make and Play: The Early Years. Macmillan Education, 1982.
Warning: These citations may not always be 100% accurate.