Spear, M. E. (1969). Practical charting techniques. McGraw-Hill.
Chicago Style (17th ed.) CitationSpear, Mary Eleanor. Practical Charting Techniques. New York: McGraw-Hill, 1969.
MLA (9th ed.) CitationSpear, Mary Eleanor. Practical Charting Techniques. McGraw-Hill, 1969.
Warning: These citations may not always be 100% accurate.