publisher={Commonwealth Publishing Richmond, VA}
}
+@article{hoff1989there,
+ title={Why is there no history of pornography?},
+ author={Hoff, Joan},
+ journal={For adult users only: the dilemma of violent pornography},
+ volume={17},
+ year={1989},
+ publisher={Indiana University Press}
+}
+
+@article{grubbs2015perceived,
+ title={Perceived addiction to Internet pornography and psychological
+ distress: Examining relationships concurrently and over time.},
+ author={Grubbs, Joshua B and Stauner, Nicholas and Exline, Julie J and
+ Pargament, Kenneth I and Lindberg, Matthew J},
+ journal={Psychology of Addictive Behaviors},
+ volume={29},
+ number={4},
+ pages={1056},
+ year={2015},
+ publisher={American Psychological Association}
+}
+