Citation

From Avogadro - Free cross-platform molecule editor

At the moment, there is no publication describing Avogadro, although one is in the draft stages.

The preferred way to cite Avogadro is:

Avogadro: an open-source molecular builder and visualization tool. Version 1.XX. http://avogadro.openmolecules.net/

Please make sure to cite the particular version of Avogadro you use.