Παραπομπή σε μορφή APA (7η εκδ.)

Engstrand, I. W. (1982). Serra's San Diego: Father Junípero Serra and California's beginnings. San Diego Historical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Engstrand, Iris Wilson. Serra's San Diego: Father Junípero Serra and California's Beginnings. San Diego, Calif.: San Diego Historical Society, 1982.

Παραπομπή σε μορφή MLA (8th εκδ.)

Engstrand, Iris Wilson. Serra's San Diego: Father Junípero Serra and California's Beginnings. San Diego Historical Society, 1982.