Παραπομπή σε μορφή APA (7η εκδ.)

John G. Johnson Collection (Philadelphia, Pa.). (1948). A picture book of some Italian, Flemish, Dutch, German, Spanish, French paintings from the John G. Johnson Collection. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

John G. Johnson Collection (Philadelphia, Pa.). A Picture Book of Some Italian, Flemish, Dutch, German, Spanish, French Paintings from the John G. Johnson Collection. Philadelphia: [s.n.], 1948.

Παραπομπή σε μορφή MLA (8th εκδ.)

John G. Johnson Collection (Philadelphia, Pa.). A Picture Book of Some Italian, Flemish, Dutch, German, Spanish, French Paintings from the John G. Johnson Collection. [s.n.], 1948.