APA Edition Citation

Richard, J., & Sundar Rao, P. S. S. (2008). Introduction to Biostatistics and research methods (5.).

Chicago Edition Citation

Richard, J., and P S S. Sundar Rao. Introduction to Biostatistics and Research Methods. 5. NewDelhi, P H I, 2008.

MLA Edition Citation

Richard, J., and P S S. Sundar Rao. Introduction to Biostatistics and Research Methods. 5. 2008.