Παραπομπή σε μορφή APA (7η εκδ.)

Poor, L. S. o. t. (1939). A Century In the Service of the Aged Poor, 1839-1939, Congregation of the Little Sisters of the Poor. S.I..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Poor, Little Sisters of the. A Century In the Service of the Aged Poor, 1839-1939, Congregation of the Little Sisters of the Poor. S.I., 1939.

Παραπομπή σε μορφή MLA (8th εκδ.)

Poor, Little Sisters of the. A Century In the Service of the Aged Poor, 1839-1939, Congregation of the Little Sisters of the Poor. S.I., 1939.