Cita APA

Barbeau, E. J. (2003). Pell' s equation. Springer- verlag.

Citación estilo Chicago

Barbeau, Edward J. Pell' S Equation. New Yorl: Springer- verlag, 2003.

Cita MLA

Barbeau, Edward J. Pell' S Equation. Springer- verlag, 2003.