APA (7th ed.) Citation

National Gallery (Great Britain) & Davies, M. (1959). The British school (2nd ed. rev.). Publications Dept., National Gallery.

Chicago Style (17th ed.) Citation

National Gallery (Great Britain) and Martin Davies. The British School. 2nd ed. rev. London: Publications Dept., National Gallery, 1959.

MLA (8th ed.) Citation

National Gallery (Great Britain) and Martin Davies. The British School. 2nd ed. rev. Publications Dept., National Gallery, 1959.