The 1946 year book of general medicine August, 1945 - June, 1946.
MLA
Burns Amberson, J, and George F Dick. The 1946 Year Book of General Medicine August, 1945 - June, 1946. Chicago: The Year Book Publishers, 1946.
APA
Burns Amberson, J., & Dick, G. F. (1946). The 1946 year book of general medicine August, 1945 - June, 1946. Chicago: The Year Book Publishers.
Chicago
Burns Amberson, J. ed., and George F Dick ed. The 1946 Year Book of General Medicine August, 1945 - June, 1946. Chicago: The Year Book Publishers, 1946.