APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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