Não informado. (1933). The Year Book of Dermatology and Syphilology. Year Book Publishers.
Chicago-Zitierstil (17. Ausg.)Não informado. The Year Book of Dermatology and Syphilology. Chicago, Ill: Year Book Publishers, 1933.
MLA-Zitierstil (8. Ausg.)Não informado. The Year Book of Dermatology and Syphilology. Year Book Publishers, 1933.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.