APA (7th ed.) Citation

Allen, E. v. N. (1943). Specialties in medical practice. T. Nelson and sons.

Chicago Style (17th ed.) Citation

Allen, Edgar van Nuys. Specialties in Medical Practice. New York, Edinburgh: T. Nelson and sons, 1943.

MLA (8th ed.) Citation

Allen, Edgar van Nuys. Specialties in Medical Practice. T. Nelson and sons, 1943.