When writing academic papers, quoting books is an important part, because it can provide theoretical basis and background knowledge for your research. Different academic fields and publishing houses may have different citation formats, but they usually follow the following common citation formats:

1.APA (American Psychological Association) format: APA format is a citation format widely used in psychology, education, social science and other fields. In APA format, the citation format of books is: author's surname, initials (year of publication). Title (version, if any). Place of publication: publishing house. For example: Smith, J. (20 10). Effective communication in the workplace. New york, NY: mcgraw-hill companies.

2.MLA (Modern Language Association) format: MLA format is mainly used in the fields of humanities, such as literature and linguistics. In MLA format, the citation format of books is: author's name, "title", publishing house and publication year. For example: Smith, John. War. Penguin Books, 2003.

3. Chicago format: Chicago format is mainly used in history, art history and other fields. In Chicago format, the citation format of books is: author's name, title, place of publication: publishing house, year of publication. For example: Smith, John Altofar. Chicago: University of Chicago Press, 2003.

4. Harvard format: Harvard format is a widely used citation format, which is suitable for various academic fields. In Harvard format, the citation format of books is: author's name, title, place of publication: publishing house, year of publication. For example: Smith, John Altofar. Boston: Harvard Business School Press, 2003.

5.IEEE (Institute of Electrical and Electronics Engineers) format: IEEE format is mainly used in engineering, computer science and other fields. In IEEE format, the citation format of books is: author's name, title (version), publishing place: publishing house, and year of publication. For example: Smith, J. (2003). Effective communication in the workplace. New york, NY: mcgraw-hill companies.

In short, when writing academic papers, you should quote books correctly according to your own research field and the required citation format. At the same time, in order to maintain the rigor and accuracy of the paper, it is suggested to use authoritative citation databases (such as GoogleScholar and JSTOR) to find book information.