I would like to retrieve automatically, and reliably, the bibtex file which I can manually download at google books, for a book identified by its ISBN. The purpose is to create a citation database for a list of books given by their ISBN. I am working on linux operating systems and I am especially open to any solution using scripting languages such as java, perl python or shell scripts. Primarily I am interested to know if there are existing solutions or almost solutions for this problem which I could adapt easily. A related question can be found here: Automating book citation search but it is a little older and links are dead.
You can take a look at this project https://github.com/xlcnd/isbntools.
The command isbn_meta 978... retrieves the metadata for the book, however not in bibtex format (but it is easy to use the output and transform it to bibtex).
Anyway in the next major release I am planning (yes I am the creator and maintainer of the project) to add more format options to the output, including bibtex.
来源：https://stackoverflow.com/questions/17001907/automatically-retrieve-google-books-bibtex-citation-matching-isbn