Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Agrawal Singh, S and Hansen, K(2020). Chromatin immunoprecipitation (ChIP) assay. Bio-protocol Preprint. bio-protocol.org/prep285.
Agrawal Singh, S., Lerdrup, M., Gomes, A. R., van de Werken, H. J., Vilstrup Johansen, J., Andersson, R., Sandelin, A., Helin, K. and Hansen, K.(2019). PLZF targets developmental enhancers for activation during osteogenic differentiation of human mesenchymal stem cells. eLIFE. DOI: 10.7554/eLife.40364