added citation information

README.md

@@ -157,7 +157,19 @@ This dataset contains real user questions, including a rather large section (7%)
 
 ### Citation Information
 
-Will be added asap.
+```
+@inproceedings{buhmann-etal-2022-domain,
+    title = "Domain- and Task-Adaptation for {V}accin{C}hat{NL}, a {D}utch {COVID}-19 {FAQ} Answering Corpus and Classification Model",
+    author = "Buhmann, Jeska and De Bruyn, Maxime and Lotfi, Ehsan and Daelemans, Walter",
+    booktitle = "Proceedings of the 29th International Conference on Computational Linguistics",
+    month = oct,
+    year = "2022",
+    address = "Gyeongju, Republic of Korea",
+    publisher = "International Committee on Computational Linguistics",
+    url = "https://aclanthology.org/2022.coling-1.312",
+    pages = "3539--3549"
+}
+```
 
 <!-- ### Contributions