APA Style
Karthikeyan, M. (2017).
Ethics Integrity and Aptitude for Civil Services Main Examinations (2nd).
India:
McGraw-Hill Publishing Company.
MLA Style
Karthikeyan, M.
"Ethics Integrity and Aptitude for Civil Services Main Examinations".
2nd
India:
McGraw-Hill Publishing Company,
2017.
Text.