The Ballard collection of correspondence and papers in the Bodleian Library, Oxford :
[guide to the microfilm edition].

APA Citation

Bodleian Library. (1982). The Ballard collection of correspondence and papers in the Bodleian Library, Oxford: [guide to the microfilm edition]. [Brighton, Sussex, England: Harvester Press Microfilm Publications.

MLA Citation

Bodleian Library. The Ballard Collection of Correspondence And Papers In the Bodleian Library, Oxford: [guide to the Microfilm Edition]. [Brighton, Sussex, England: Harvester Press Microfilm Publications, 1982.

Warning: These citations may not always be complete (especially for serials).