Cita APA (7th ed.)
(1957). Symposium: (The National Research Council. The Division of Medical Sciences.). U.S. Govern. Print. Off.
Cita Chicago (17th ed.)
Symposium: (The National Research Council. The Division of Medical Sciences.). Washington: U.S. Govern. Print. Off, 1957.
Cita MLA (9th ed.)
Symposium: (The National Research Council. The Division of Medical Sciences.). U.S. Govern. Print. Off, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.