Παραπομπή σε μορφή APA (7η εκδ.)

United States. Consulate (La Unión, El Salvador). (1960). Despatches from United States consuls in La Union, 1854-1887. National Archives, National Archives and Records Service, General Services Administration.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United States. Consulate (La Unión, El Salvador). Despatches from United States Consuls in La Union, 1854-1887. Washington: National Archives, National Archives and Records Service, General Services Administration, 1960.

Παραπομπή σε μορφή MLA (8th εκδ.)

United States. Consulate (La Unión, El Salvador). Despatches from United States Consuls in La Union, 1854-1887. National Archives, National Archives and Records Service, General Services Administration, 1960.