Παραπομπή σε μορφή APA (7η εκδ.)

Evans, S. At Union's Brink: Ideals and Problem in Restoring the United Provinces of Central America, 1920-1922.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Evans, Sterling. At Union's Brink: Ideals and Problem in Restoring the United Provinces of Central America, 1920-1922.

Παραπομπή σε μορφή MLA (9th εκδ.)

Evans, Sterling. At Union's Brink: Ideals and Problem in Restoring the United Provinces of Central America, 1920-1922.