The Pell equation /
by Edward Everett Whitford.
APA Citation
Whitford, E. Everett. (1912). The Pell equation. New York: E. E. Whitford.
MLA Citation
Whitford, Edward Everett, 1865-. The Pell Equation. New York: E. E. Whitford, 1912.
Warning: These citations may not always be complete (especially for serials).