Google Scholar includes a tool intended to let authors track citations to their work - use the Cited By link under your article's citation.
This box searches by topic but once you run a search you can follow links to track what articles are cited in an article and what articles cite the selected article.
Subset of citations from Web of Knowledge, above; this link lets you search by author.
None of these are tools designed for tracking citations of books or published in books.
The best you can do is search through the full text of books to identify citations to your work. Here are some large collections of academic books that are full-text searchable.