Παραπομπή σε μορφή APA (7η εκδ.)

Doepkens, F. H. (2007). A Biographical Sketch of the Life of Frederick Dimble Henwood: English Born Portrait Artist. S.l..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Doepkens, Frederick H. A Biographical Sketch of the Life of Frederick Dimble Henwood: English Born Portrait Artist. S.l., 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Doepkens, Frederick H. A Biographical Sketch of the Life of Frederick Dimble Henwood: English Born Portrait Artist. S.l., 2007.