APA (7th ed.) Citation

Richards, R. D. (1973). Ophthalmological disorders: A practitioner's guide. Huber.

Chicago Style (17th ed.) Citation

Richards, Richard D. Ophthalmological Disorders: A Practitioner's Guide. Berlin u.a: Huber, 1973.

MLA (9th ed.) Citation

Richards, Richard D. Ophthalmological Disorders: A Practitioner's Guide. Huber, 1973.