APA (7th ed.) Citation

Fletcher, D., & Ibbotson, J. (1965). Geometry with a tangram. Holmes.

Chicago Style (17th ed.) Citation

Fletcher, David, and J. Ibbotson. Geometry with a Tangram. Glassgow: Holmes, 1965.

MLA (9th ed.) Citation

Fletcher, David, and J. Ibbotson. Geometry with a Tangram. Holmes, 1965.