Spear, M. E. (1952). Charting statistics. McGraw-Hill.
Chicago Style (17th ed.) CitationSpear, Mary Eleanor. Charting Statistics. New York, N.Y. [u.a.]: McGraw-Hill, 1952.
MLA (9th ed.) CitationSpear, Mary Eleanor. Charting Statistics. McGraw-Hill, 1952.
Warning: These citations may not always be 100% accurate.