fix typo in readme with other minor edits (#128)

* fix manual installation typo for dgl

* add bibtex code format indicator

* minor edit

README.md

@@ -44,11 +44,11 @@ made to improve the DANCE code base. If you would like to get started, please
 refer to our brief [guidelines](CONTRIBUTING.md) about our automated quality
 controls, as well as setting up the `dev` environments.
 
-## Reference
+## Citation
 
-If our work could help your research, please cite our DANCE package paper or survey paper:
+If you find our work useful in your research, please consider citing our DANCE package or survey paper:
 
-```
+```bibtex
 @article{ding2022dance,
  title={DANCE: A Deep Learning Library and Benchmark for Single-Cell Analysis},
  author={Ding, Jiayuan and Wen, Hongzhi and Tang, Wenzhuo and Liu, Renming and Li, Zhaoheng and Venegas, Julian and Su, Runze and Molho, Dylan and Jin, Wei and Zuo, Wangyang and others},
@@ -58,7 +58,7 @@ If our work could help your research, please cite our DANCE package paper or sur
 }
 ```
 
-```
+```bibtex
 @article{molho2022deep,
  title={Deep Learning in Single-Cell Analysis},
  author={Molho, Dylan and Ding, Jiayuan and Li, Zhaoheng and Wen, Hongzhi and Tang, Wenzhuo and Wang, Yixin and Venegas, Julian and Jin, Wei and Liu, Renming and Su, Runze and others},
@@ -136,7 +136,7 @@ Then, install CUDA enabled packages (PyTorch, PyG, DGL) with CUDA 10.2:
 
 ```bash
 conda install pytorch=1.12.1 torchvision cudatoolkit=10.2 -c pytorch -y
-conda install dgl-cu102 -c dglteam -y
+conda install dgl-cuda10.2 -c dglteam -y
 pip install torch-geometric==2.1.0 torch-scatter torch-sparse torch-cluster -f https://data.pyg.org/whl/torch-1.12.1+cu102.html
 ```
 
@@ -169,7 +169,7 @@ Install from PyPI
 pip install pydance
 ```
 
-Install the latest dev version from source
+Or, install the latest dev version from source
 
 ```bash
 git clone https://github.com/OmicsML/dance.git