Spatial Reasoning Study Group & Davis, B. (2015). Spatial reasoning in the early years: Principles, assertions, and speculations. Routledge.
Chicago Style (17th ed.) CitationSpatial Reasoning Study Group and Brent Davis. Spatial Reasoning in the Early Years: Principles, Assertions, and Speculations. New York: Routledge, 2015.
MLA (9th ed.) CitationSpatial Reasoning Study Group and Brent Davis. Spatial Reasoning in the Early Years: Principles, Assertions, and Speculations. Routledge, 2015.
Warning: These citations may not always be 100% accurate.