Johnson, G., & Weld, E. W. An introduction to arithmetic: Designed for the use of schools. By Gordon Johnson.
Chicago Style (17th ed.) CitationJohnson, Gordon, and Ezra Waldo Weld. An Introduction to Arithmetic: Designed for the Use of Schools. By Gordon Johnson.
MLA (9th ed.) CitationJohnson, Gordon, and Ezra Waldo Weld. An Introduction to Arithmetic: Designed for the Use of Schools. By Gordon Johnson.
Warning: These citations may not always be 100% accurate.