Cita APA

Ravenel, M. P. (1940). Annual Report of the Surgeon General of the Public Health Service of the United States, for the Fiscal Year 1939.

Citación estilo Chicago

Ravenel, Mazÿck P. Annual Report of the Surgeon General of the Public Health Service of the United States, for the Fiscal Year 1939. 1940.

Cita MLA

Ravenel, Mazÿck P. Annual Report of the Surgeon General of the Public Health Service of the United States, for the Fiscal Year 1939. 1940.