APA-Zitierstil (7. Ausg.)

Gibson, R. (1993). The portrait now: [published for the Exhibition The Portrait Now, held at the National Portrait Gallery from 19 November 1993 - 6 February 1994]. National Portrait Gallery.

Chicago-Zitierstil (17. Ausg.)

Gibson, Robin. The Portrait Now: [published for the Exhibition The Portrait Now, Held at the National Portrait Gallery from 19 November 1993 - 6 February 1994]. London: National Portrait Gallery, 1993.

MLA-Zitierstil (9. Ausg.)

Gibson, Robin. The Portrait Now: [published for the Exhibition The Portrait Now, Held at the National Portrait Gallery from 19 November 1993 - 6 February 1994]. National Portrait Gallery, 1993.