APA (7th ed.) Citation

Oxford Ophthalmological Congress Oxford. (1971). Programme of the Oxford Ophthalmological Congress 1971 and catalogue of exhibition of ophthalmological instruments and appliances.

Chicago Style (17th ed.) Citation

Oxford Ophthalmological Congress Oxford. Programme of the Oxford Ophthalmological Congress 1971 and Catalogue of Exhibition of Ophthalmological Instruments and Appliances. Oxford, 1971.

MLA (9th ed.) Citation

Oxford Ophthalmological Congress Oxford. Programme of the Oxford Ophthalmological Congress 1971 and Catalogue of Exhibition of Ophthalmological Instruments and Appliances. 1971.