The key defining elements for identifying a journal article from a citation are:
Here is the format of a journal-article citation in some of the most frequently-used styles as it appears in the bibliography/reference list:
APA: Author, A. A. (Year of publication). Title of article. Name of publication, Volume(Issue), pp-pp.
Harvard: Author Year of publication, 'Title of article', Name of Publication, Volume, Issue, Page numbers.
Chicago: Author. “Title of article.” Title of Journal volume number, issue number (year): page numbers of article
Vancouver: Author. Title of article. Title of Journal. Date of publication;Volume(Issue):Page numbers.
MLA: Author . "Title of Article". Journal Name volume number. Issue number (Year of publication): page number(s).Print.
AGLC: Author, ‘Article Title’ (Year) Volume Journal Title Page Reference
This information was obtained from Re:cite. Note that articles with multiple authors will be cited slightly differently.
re:cite is a referencing tool which provides examples of citations for both those within the document and in the reference list including detailed instructions for a variety of reference types and styles based on examples such as journal articles with one or two authors or articles with a doi. Referencing styles included are APA, Harvard, Vancouver, Chicago, MLA, AGLC and Cambridge (art history). General style notes are also available.
There are a number of tools for managing references so that all are stored in a central location and the appropriate style and format is applied when referencing. Check out the Managing References guide for advice on selecting citation-management software and related issues. The Referencing tab in the New Library Users guide also provides useful information.
It is worth knowing the referencing style used by your department upon commencing research so that you don't have to waste time reformatting later. Here is some information regarding referencing:
This is where you can find out more about reference management software: