Steffenson, J. F. (1950). Interpolation (2d ed.). Chelsea Pub. Co.
Chicago Style (17th ed.) CitationSteffenson, Johan Frederik. Interpolation. 2d ed. New York: Chelsea Pub. Co, 1950.
MLA (9th ed.) CitationSteffenson, Johan Frederik. Interpolation. 2d ed. Chelsea Pub. Co, 1950.
Warning: These citations may not always be 100% accurate.