APA (7th ed.) Citation

Steffensen, J. F. (1950). Interpolation (2nd ed.). Chelsea Publishing Company.

Chicago Style (17th ed.) Citation

Steffensen, J. F. Interpolation. 2nd ed. New York: Chelsea Publishing Company, 1950.

MLA (8th ed.) Citation

Steffensen, J. F. Interpolation. 2nd ed. Chelsea Publishing Company, 1950.

Warning: These citations may not always be 100% accurate.