APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Richardson, Clarence H. An Introduction to the Calculus of Finite Differences. New York: Van Nostrand Reinhold, 1954.

MLA (9th ed.) Citation

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