APA (7th ed.) Zitazioa

Boll, H. [. ]. (1976). Group portrait with Lady. Penguin.

Chicago Style (17th ed.) Zitazioa

Boll, Heinrich [1917- ]. Group Portrait with Lady. Harmondsworth: Penguin, 1976.

MLA (9th ed.) Zitazioa

Boll, Heinrich [1917- ]. Group Portrait with Lady. Penguin, 1976.