There are four examples of reference formats: APA format, MLA format, CMS format, and Harvard System format.
APA is a format for indicating reference sources. It is mainly used in the field of social sciences and other academic standards. Many domestic journals also use the APA format.
MLA is a thesis guidance format developed by the Modern Language Association of America and is mostly used in the humanities. The CMS format originated from the Manual Style published by the University of Chicago Press in 1906. It is mainly used in the humanities (humanities). It uses footnotes, endnotes and reference lists to indicate the source of the document.
The Harvard Document Format is Harvard University's paper reference standard. Its full name is: Harvard System. It originated in the United States, but is widely used in countries such as the United Kingdom and Australia, especially in physics. and natural science fields.
National standards for reference literature:
1. Preface.
1. This standard specifies the bibliographic items, bibliographic order, bibliographic symbols, description methods of each bibliographic item, and reference annotation methods for references in various types of publications.
2. This standard is intended for use by authors and editors when compiling post-text references, and is not a document description rule used by librarians, bibliographic compilers and index editors.
2. Nouns and terms.
1. References after the article: Relevant books and materials cited for writing or editing the paper.
2. Identifying title: The unique name of a certain serial publication recognized by the International Serial Data System (ISDS).
3. Description items and description format.
This standard specifies the recording formats for monographs, serial publications, patent documents, documents extracted from monographs, and documents extracted from serial publications.
Among the five description formats, any description item marked "for selection" is the selection item of the reference, and the remaining description items are the main items of the reference. Projects can be selected according to the provisions of Chapter 6 of this standard or based on the characteristics of the document itself.