APA (7th ed.) Citation

(1979). 19th and 20th century photographs: Sale No. Christie's South Kensington Ltd.

Chicago Style (17th ed.) Citation

19th and 20th Century Photographs: Sale No. London: Christie's South Kensington Ltd, 1979.

MLA (9th ed.) Citation

19th and 20th Century Photographs: Sale No. Christie's South Kensington Ltd, 1979.

Warning: These citations may not always be 100% accurate.