APA Edition Citation

Sundar Rao, P. S. S., & Richard , J. (2007). Introduction to biostatistics and research methods (4th ed.). PHI.

Chicago Edition Citation

Sundar Rao, P. S. S., and J. Richard. Introduction to Biostatistics and Research Methods. 4th ed. New Delhi: PHI, 2007.

MLA Edition Citation

Sundar Rao, P. S. S., and J. Richard. Introduction to Biostatistics and Research Methods. 4th ed. PHI, 2007.