1. Document format: References need to be typeset according to a certain format, and different disciplines and publications may have different format requirements, such as APA, MLA, Chicago, etc. When writing a paper, you need to carefully consult the format requirements of references in your field or periodical and make typesetting according to the requirements.
2. Literature sources: References need to use reliable sources, such as academic journals, academic conferences and academic books. It is necessary to avoid using non-academic sources on the internet as much as possible to ensure the credibility and authority of references.
3. citation method: there are two ways to cite references: direct citation and indirect citation. Direct quotation refers to the direct quotation of sentences in the original text, which requires the use of quotation marks and the indication of literature information; Indirect quotation refers to quoting the author's opinions or conclusions in the paper, but not directly quoting the sentences in the original text, and it is necessary to indicate the literature information at the quotation. When quoting, you need to follow the citation norms and requirements of your field or journal.
4. Sorting method: references need to be arranged according to a certain sorting method. Common sorting methods include author's surname, publication year, etc. When editing, you need to follow the norms and requirements of your field or periodical.
5. Number of references: The number of references needs to be determined according to the content and requirements of the paper. Generally speaking, the number of references should be enough to support the argumentation and analysis of the paper, and at the same time, too much or too little should be avoided.
In a word, the correct citation methods of papers should follow academic norms and requirements, including the format, source, citation mode, arrangement mode and quantity of documents. When quoting references, we should carefully consult the relevant academic norms and requirements, and typeset and quote according to the norms.