APA Style

Rao, B, K, S. (2012 (or another yea). Numerical Methods for Scientists and Engineers (3rd Edition (If known, update as needed)). NEW DELHI: PHI Learning Pvt. Ltd..

MLA Style

Rao, By, K., Sankara. "Numerical Methods for Scientists and Engineers". 3rd Edition (If known, update as needed) NEW DELHI: PHI Learning Pvt. Ltd., 2012 (or another yea. Text.