APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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