Cita APA (7a ed.)

United Nations. Economic and Social Council. Statistical Commission. (1957). A system of piece and quantity indexes for national accounts. [s.n.].

Cita Chicago Style (17a ed.)

United Nations. Economic and Social Council. Statistical Commission. A System of Piece and Quantity Indexes for National Accounts. New York: [s.n.], 1957.

Cita MLA (9a ed.)

United Nations. Economic and Social Council. Statistical Commission. A System of Piece and Quantity Indexes for National Accounts. [s.n.], 1957.

Precaución: Estas citas no son 100% exactas.