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

Fan, L and Wang, H(2020). CRISPR/Cas9-mediated editing and cell sorting. Bio-protocol Preprint. bio-protocol.org/prep673.
Niu, L., Lou, F., Sun, Y., Sun, L., Cai, X., Liu, Z., Zhou, H., Wang, H., Wang, Z., Bai, J., Yin, Q., Zhang, J., Chen, L., Peng, D., Xu, Z., Gao, Y., Tang, S., Fan, L. and Wang, H.(2020). A micropeptide encoded by lncRNA MIR155HG suppresses autoimmune inflammation via modulating antigen presentation. Science Advances 6(21). DOI: 10.1126/sciadv.aaz2059