Owing to the fact that a Living Reviews in Solar Physics article may evolve over time, we recommend to cite the article as follows:
Svetlana V. Berdyugina,
"Starspots: A Key to the Stellar Dynamo",
Living Rev. Solar Phys. 2, (2005), 8. URL (accessed <date>):
The date given as <date> then uniquely identifies the version of the article you are referring to.