APA (7th ed.) Citation

Levens, A. S. (1965). Graphical methods in research. John Wiley and Sons Inc..

Chicago Style (17th ed.) Citation

Levens, A. S. Graphical Methods in Research. New York: John Wiley and Sons Inc., 1965.

MLA (9th ed.) Citation

Levens, A. S. Graphical Methods in Research. John Wiley and Sons Inc., 1965.

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