APA or Harvard (Author-Date) referencing styles are generally used in MQBS. However you should always:
The Library team have compiled guides with information on the various referencing styles. These are links to the referencing guides for styles typically used in MQBS:
Using Author-Date styles
Both APA and Harvard Author-Date styles require two elements: an in-text citation and a reference list entry.
In-text citation requires author's name, year of publication, and page number if you are directing your reader to a specific detail.