If you use the Myriads software package please cite: 
Carvajal-Rodriguez A (2018). Myriads: p-value-based multiple testing correction. Bioinformatics 34 (6): 1043-1045 https://doi.org/10.1093/bioinformatics/btx746 
Additionally, for the different implemented methods you should cite any specific one you used. To cite any of the correction methods please refer to the papers below: 
The estimation of the proportion of true nulls is performed by various methods that are referenced in the Methodology section and in the Myriads Supplementary Information document (Carvajal-Rodriguez 2018, Bioinformatics 34 (6): 1043-104).