Kidwell, P. A., Ackerberg-Hastings, A., & Roberts, D. L. (2008). Tools of American mathematics teaching, 1800-2000 / Peggy Aldrich Kidwell, Amy Ackerberg-Hastings, David Lindsay Roberts. Johns Hopkins University Press ; Smithsonian Institution.
Chicago Style (17th ed.) CitationKidwell, Peggy Aldrich, Amy Ackerberg-Hastings, and David Lindsay Roberts. Tools of American Mathematics Teaching, 1800-2000 / Peggy Aldrich Kidwell, Amy Ackerberg-Hastings, David Lindsay Roberts. Baltimore : Washington, D.C.: Johns Hopkins University Press ; Smithsonian Institution, 2008.
MLA (9th ed.) CitationKidwell, Peggy Aldrich, et al. Tools of American Mathematics Teaching, 1800-2000 / Peggy Aldrich Kidwell, Amy Ackerberg-Hastings, David Lindsay Roberts. Johns Hopkins University Press ; Smithsonian Institution, 2008.