1. Journal articles
Author's surname, initials (year of publication), article title, journal name, volume number (issue number) and page number.
For example:
-Brown University (20 17). Impact of climate change on agriculture. Journal of Environmental Science, 5(3), pages 45-56.
2. Conference papers
Author's last name, abbreviation. (year of publication). Thesis title. Collection name, page number. Place of publication: publisher.
For example:
-Smith J. (20 19). New trends in computer science. Proceedings of the International Conference on Computer Science, p. 157- 162. New york: springer.
3. books
Author's last name, abbreviation. (year of publication). Title. Place of publication: publisher.
For example:
-Smith J. (20 19). World history. New york: Harper Collins Publishing House.
4. Network resources
The author's surname, abbreviation, title, source and retrieval date are retrieved from the website.
For example:
-Zhang San. (2020, 8 12). Significance of duplicate checking. Taken from the paper duplicate checking network.
It should be noted that the above are just the compilation methods of some common reference types in APA format. In actual writing, you may encounter other types of documents, such as newspaper articles, patents, technical reports, etc. , need to be compiled according to specific requirements. At the same time, when compiling references, attention should be paid to accurately recording relevant information, avoiding plagiarism, and formatting according to the norms of citation styles used.