APA (7th ed.) Citation

(1968). Guide to London museums and galleries (9. ed. rev.). Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Guide to London Museums and Galleries. 9. ed. rev. London: Her Majesty's Stationery Office, 1968.

MLA (9th ed.) Citation

Guide to London Museums and Galleries. 9. ed. rev. Her Majesty's Stationery Office, 1968.