See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Short Title year (abbreviated jurisdiction)
Use the year that appears in the short title of the piece of legislation, not the year it was last updated.
Abbreviate the jurisdiction that the legislation comes from. For example, Commonwealth legislation is abbreviated to Cth, New South Wales to NSW, Western Australia to WA, and so on.
Legal references in AMA11 style are based on The Bluebook, and the above is based on Bluebook Table 2.2.