APA
(1981). The Journal of Laryngology & Otology. U.S.A: The American Society for Clinical Investigation.
Chicago
1981. The Journal of Laryngology & Otology. U.S.A: The American Society for Clinical Investigation.
Harvard
(1981). The Journal of Laryngology & Otology. U.S.A: The American Society for Clinical Investigation.
MLA
The Journal of Laryngology & Otology. U.S.A: The American Society for Clinical Investigation. 1981.