Παραπομπή σε μορφή APA (7η εκδ.)

Packard, F. R. (1938). Some account of the Pennsylvania Hospital: From its first rise to the beginning of the year, 1938. Engle Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Packard, Francis R. Some Account of the Pennsylvania Hospital: From Its First Rise to the Beginning of the Year, 1938. Philadelphia: Engle Press, 1938.

Παραπομπή σε μορφή MLA (8th εκδ.)

Packard, Francis R. Some Account of the Pennsylvania Hospital: From Its First Rise to the Beginning of the Year, 1938. Engle Press, 1938.