Παραπομπή σε μορφή APA (7η εκδ.)

Unknown. Photograph of Sister Valerie Riggs, S.B.S., Sister Doris Blum, S.B.S., and Mr. John Scott attending the Founder's Day Activities at Xavier University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Unknown. Photograph of Sister Valerie Riggs, S.B.S., Sister Doris Blum, S.B.S., and Mr. John Scott Attending the Founder's Day Activities at Xavier University.

Παραπομπή σε μορφή MLA (8th εκδ.)

Unknown. Photograph of Sister Valerie Riggs, S.B.S., Sister Doris Blum, S.B.S., and Mr. John Scott Attending the Founder's Day Activities at Xavier University.