APA (7th ed.) Citation

Forder, H. G. (1962). Geometry: An introduction. Harper Torchbooks.

Chicago Style (17th ed.) Citation

Forder, H. G. Geometry: An Introduction. New York: Harper Torchbooks, 1962.

MLA (9th ed.) Citation

Forder, H. G. Geometry: An Introduction. Harper Torchbooks, 1962.