WILLIAMS, E., & SHUARD, H. (1970). Elementary mathematics today: A resource for teachersgrades 1-8. Addison-Wesley Pub. Co.
Chicago Style (17th ed.) CitationWILLIAMS, Elizabeth, and Hilary SHUARD. Elementary Mathematics Today: A Resource for Teachersgrades 1-8. Menlo Park: Addison-Wesley Pub. Co, 1970.
MLA (9th ed.) CitationWILLIAMS, Elizabeth, and Hilary SHUARD. Elementary Mathematics Today: A Resource for Teachersgrades 1-8. Addison-Wesley Pub. Co, 1970.
Warning: These citations may not always be 100% accurate.