If you use the radcap code in any form, please cite the following manuscript (which is “in review”):

[SH2016]Hoffberg S, Kieran TJ, Catchen JM, Devault A, Faircloth BC, Mauricio R, Glenn RC. 2016. Adapterama IV: Sequence Capture of Dual-digest RADseq Libraries with Identifiable Duplicates (RADcap). bioRxiv. doi:10.1101/044651.

Please also cite the github repository:

[BCF2016]Faircloth BC. RADcap software.