Cita APA

(1957). Britannica book of the year 1957: The illustrated factual record of great events of important year. Chicago: Encyclopedia Britannica.

Chicago Style Citation

Britannica Book of the Year 1957: The Illustrated Factual Record of Great Events of Important Year. Chicago: Encyclopedia Britannica, 1957.

Cita MLA

Britannica Book of the Year 1957: The Illustrated Factual Record of Great Events of Important Year. Chicago: Encyclopedia Britannica, 1957.