Citazione APA

National Gallery (Great Britain) & Holmes, C. J. (1926). Illustrated guide (4th and rev. ed.). Printed for the Trustees.

Stile di citazione Chicago

National Gallery (Great Britain) e C. J. Holmes. Illustrated Guide. 4th and rev. ed. London: Printed for the Trustees, 1926.

Citazione MLA

National Gallery (Great Britain) e C. J. Holmes. Illustrated Guide. 4th and rev. ed. Printed for the Trustees, 1926.