The multidisciplinary database Web of Science and Scopus, which is licensed at the TU Dresden campus and the SLUB, also records citations of journal articles. An easy way to track citations of own academic papers is to set up a so called Citation Alert after registering as a user.
Google Scholar shows citations of academic works regardless of the publication type. With Google Scholar Citations it is possible to monitor citations of your publications. The requires to create a personal author profile.