APA (7th ed.) Citation

Richardson, C. H. (1954). An Introduction to the calculus of finite differences. Van Nostrand.

Chicago Style (17th ed.) Citation

Richardson, C. H. An Introduction to the Calculus of Finite Differences. Princeton, N.J: Van Nostrand, 1954.

MLA (9th ed.) Citation

Richardson, C. H. An Introduction to the Calculus of Finite Differences. Van Nostrand, 1954.