APA (7th ed.) Citation

Dudley, U. (1994). The trisectors ([2nd ed.].). Mathematical Association of America.

Chicago Style (17th ed.) Citation

Dudley, Underwood. The Trisectors. [2nd ed.]. [Washington, D.C.]: Mathematical Association of America, 1994.

MLA (9th ed.) Citation

Dudley, Underwood. The Trisectors. [2nd ed.]. Mathematical Association of America, 1994.