APA Citation

 Schaefer, R. T. (2013).  Sociology: A brief introduction.  Mc Graw Hill.

Chicago Style Citation

 Schaefer, Richarrd T.  Sociology: A Brief Introduction.  Mc Graw Hill, 2013.

MLA Citation

 Schaefer, Richarrd T.  Sociology: A Brief Introduction.  Mc Graw Hill, 2013.

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