APA referencing style required four basic information.
WHO: Author's name
WHEN: Date of publication
WHAT: Title of work
WHERE: Source data
Arrangement of information are as below;
Primary title should be written in italic. As for the journal article, the journal title should be written in Italic while the article title will be written in a normal text.
Resources that are available online, please use the DOI or URL as their source of data.