London's diaries. [Catalogue of an exhibition in London]
MLA
London's Diaries: [catalogue of an Exhibition In London]. London: National Book League, 1970
APA, 7th edition
(1970). London's diaries: [Catalogue of an exhibition in London]. London: National Book League
Chicago, 17th edition
London's diaries: [Catalogue of an exhibition in London]. London: National Book League, 1970