Cita APA (7a ed.)

(1947). Britannica book of the year 1947. R. R. Donnelley & Sons.

Cita Chicago Style (17a ed.)

Britannica Book of the Year 1947. Chicago: R. R. Donnelley & Sons, 1947.

Cita MLA (9a ed.)

Britannica Book of the Year 1947. R. R. Donnelley & Sons, 1947.