APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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

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