We are proud to announce that you can now cite Singularity proper! Our recent publication in PLOS One can be cited as follows:

Kurtzer GM, Sochat V, Bauer MW (2017) 
Singularity: Scientific containers for mobility of compute. 
PLoS ONE 12(5): e0177459. https://doi.org/10.1371/journal.pone.0177459

Thanks to all of our contributors and community for helping us clunky software folk properly put together this paper. Looking forward to more great things to come, woohoo!