APA
Sigerist H. E., . (1961). A history of medicine vol 2. Oxford university press, New York: .
Chicago
Sigerist Henry E, . 1961. A history of medicine vol 2. Oxford university press, New York: .
Harvard
Sigerist H. E., . (1961). A history of medicine vol 2. Oxford university press, New York: .
MLA
Sigerist Henry E, . A history of medicine vol 2. Oxford university press, New York: . 1961.