You can read about setting up applications for displaying in trades here. To display trades of a single application, select it from the list:

Tracks of Triumph: Industrial Zone Booster Pack
x1
Steam
Booster Pack
Tracks of Triumph: Industrial Zone Booster Pack
Type: Booster Pack
This item can no longer be bought or sold on the Community Market because Valve no longer has a business relationship with the developer.
Fiends of Imprisonment Booster Pack
Steam
x0
Booster Pack