MLA

Loewenberg, Samuel A. Medical Diagnosis and Symptomatology. 6th, rev. ed. Philadelphia (Pa.): Davis, 1946.

APA

Loewenberg, S. A. (1946). Medical diagnosis and symptomatology. 6th, rev. ed. Philadelphia (Pa.): Davis.

Chicago

Loewenberg, Samuel A. Medical Diagnosis and Symptomatology. 6th, rev. ed. Philadelphia (Pa.): Davis, 1946.