APA (7th ed.) Citation

International Council of Opthalmology & SpringerLink (Online service). (1974). Index Ophthalmologicus: Directory of the International Federation of Ophthalmological Societies Including Ophthalmological Associations, Ophthalmologists, Opthalmological Clinics, Institutes, Journals (Seven edition.). Springer Netherlands.

Chicago Style (17th ed.) Citation

International Council of Opthalmology and SpringerLink (Online service). Index Ophthalmologicus: Directory of the International Federation of Ophthalmological Societies Including Ophthalmological Associations, Ophthalmologists, Opthalmological Clinics, Institutes, Journals. Seven edition. Dordrecht: Springer Netherlands, 1974.

MLA (9th ed.) Citation

International Council of Opthalmology and SpringerLink (Online service). Index Ophthalmologicus: Directory of the International Federation of Ophthalmological Societies Including Ophthalmological Associations, Ophthalmologists, Opthalmological Clinics, Institutes, Journals. Seven edition. Springer Netherlands, 1974.