If you use NCG 6.0, please cite

The Network of Cancer Genes (NCG): a comprehensive catalogue of known and candidate cancer genes from cancer sequencing screens.

Repana D., Nulsen J., Dressler L., Bortolomeazzi M., Venkata S. K., Tourna A., Yakovleva A., Palmieri T., and Ciccarelli F.D.

Other useful citations:

NCG 5.0: updates of a manually curated repository of cancer genes and associated properties from cancer mutational screenings

An O., Dall'Olio G.M., Mourikis T.M., and Ciccarelli F.D.

NCG 4.0: the network of cancer genes in the era of massive mutational screenings of cancer genomes

An O., Pendino V., D'Antonio M., Ratti E., Gentilini M. and Ciccarelli F.D.

Network of Cancer Genes (NCG 3.0): integration and analysis of genetic and network properties of cancer genes

D'Antonio M, Pendino V, Sinha S, Ciccarelli FD.

Modification of gene duplicability during the evolution of protein interaction network

D'Antonio M. and Ciccarelli F.D.

Low duplicability and network fragility of cancer genes

Rambaldi D., Giorgi F.M., Capuani F., Ciliberto A. and Ciccarelli F.D.