JDF 86 (PDF) - Instructions for Issuing a Subpoena (Case outside Colorado)
JDF 87 (PDF) - Request to Issue Subpoena (Case outside Colorado)
JDF 90 (PDF) - Subpoena to appear for deposition and/or subpoena to produce
You will need separate forms, start an individual case, and pay the filing fee for each subpoena you must issue.