APA (7th ed.) Citation

International Postcard Market Ltd. (London). (1975). IPM catalogue of picture postcards .. IPM Limited.

Chicago Style (17th ed.) Citation

International Postcard Market Ltd. (London). IPM Catalogue of Picture Postcards .. London: IPM Limited, 1975.

MLA (9th ed.) Citation

International Postcard Market Ltd. (London). IPM Catalogue of Picture Postcards .. IPM Limited, 1975.

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