How to get Citrine Prime Blueprint in Warframe?

Citrine Prime Blueprint is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Citrine Prime Blueprint

Other items:
Citrine Prime Systems Blueprint - Citrine Prime Neuroptics Blueprint - Citrine Prime Chassis Blueprint
Citrine Kalite Helmet Blueprint - Citrine Neuroptics Blueprint - Citrine Systems Blueprint