See this example properly formatted in the QUT Cite tool.
In the case of State of Queensland v Congoo (2015), the judgment...
This was disputed by counsel for the plaintiff (Lindsay v Warwick Shire Council, 2005).
Name v Name (Year) Volume number Law Report/Court abbreviation First page.
State of Queensland v Congoo (2015) 256 CLR 239.
Sullivan Nicolaides Pty Ltd v Papa  2 Qd R 48.
Lindsay v Warwick Shire Council  QSC 132.
The format for a case law in APA is based on the Bluebook adhering to AGLC.
Omit the Volume number if not included.