fix the reference of SAM

paper/paper.md

@@ -108,7 +108,7 @@ The downloaded configurations provides the regions information along with co-ord
    ]
 }
 ```
-This tool also supports the [YOLO format](https://docs.ultralytics.com/datasets/detect/#ultralytics-yolo-format). A dataset of ripe and unripe tomatoes has been created and can be found on [Kaggle](https://www.kaggle.com/datasets/sumn2u/riped-and-unriped-tomato-dataset). \autoref{fig:annotated_tomatoes} shows the original and annotated tomatoes from that dataset. Besides this, it also selects the bounding box using the Segment Anything Model (SAM) \autoref{kirillov_segment_2023}.
+This tool also supports the [YOLO format](https://docs.ultralytics.com/datasets/detect/#ultralytics-yolo-format). A dataset of ripe and unripe tomatoes has been created and can be found on [Kaggle](https://www.kaggle.com/datasets/sumn2u/riped-and-unriped-tomato-dataset). \autoref{fig:annotated_tomatoes} shows the original and annotated tomatoes from that dataset. Besides this, it also selects the bounding box using the Segment Anything Model (SAM) [@kirillov_segment_2023].
 
 ![Annotated Tomatoes \label{fig:annotated_tomatoes}](./annotated_tomatoes.png)