Cita APA

(1967). Britannica book of the year 1967. Chicago: Encyclpedia Britannica.

Chicago Style Citation

Britannica Book of the Year 1967. Chicago: Encyclpedia Britannica, 1967.

Cita MLA

Britannica Book of the Year 1967. Chicago: Encyclpedia Britannica, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.