adding citation details

README.md

@@ -10,6 +10,30 @@ From Fig. 1, the six-gram `"centers for disease control and prevention"` was spl
 *Fig. 2: Comparison of top 20 (first column) bigrams, top 20 (second column) six-grams, and top 20 (third column) sumgrams (conjoined ngrams) generated by sumgram for a collection of documents about [Hurricane Harvey](https://en.wikipedia.org/wiki/Hurricane_Harvey). Proper nouns of more than two words (e.g., `"federal emergency management agency"`) are split when generating bigrams, sumgram strives to remedy this. Generating six-grams surfaces non-salient six-grams.*
 <img src="pics/sumgrams_harvey.png" alt="hurricane harvey ngrams vs sumgrams" style="width: 50%;"/>
 
+## Citing Project
+A publication related to this project appeared in the proceedings of ACM Conference on Hypertext and Social Media 2018 ([Read the PDF](https://www.cs.odu.edu/~mln/pubs/ht-2018/hypertext-2018-nwala-bootstrapping.pdf)). Please cite it as below:
+
+> Nwala, Alexander C., Michele C. Weigle, and Michael L. Nelson. "Bootstrapping web archive collections from social media." in Proceedings of ACM Conference on Hypertext and Social Media, pp. 64-72. 2018.
+
+```latex
+@inproceedings{ht-2018:nwala,
+  author    = {Nwala, Alexander C and Weigle, Michele C and Nelson, Michael L},
+  title     = {{Bootstrapping Web Archive Collections from Social Media}},
+  booktitle = {Proceedings of ACM Conference on Hypertext and Social Media (HT 2018)},
+  series    = {HT '18},
+  year      = {2018},
+  month     = {jul},
+  location  = {Baltimore, Maryland, USA},
+  pages     = {64--72},
+  numpages  = {9},
+  url       = {https://doi.org/10.1145/3209542.3209560},
+  doi       = {10.1145/3209542.3209560},
+  isbn      = {9781450354271},
+  publisher = {ACM},
+  address   = {New York, NY, USA}
+}
+```
+
 ## Installation
 Just type
 ```