Cita APA

Richardson, C. H. (1963). An Introduction to the calculus of finite differences. New Jersey: s.e..

Citación estilo Chicago

Richardson, C. H. An Introduction to the Calculus of Finite Differences. New Jersey: s.e., 1963.

Cita MLA

Richardson, C. H. An Introduction to the Calculus of Finite Differences. New Jersey: s.e., 1963.