Cita APA

(1961). 1961 Britannica book of the year. Chicago: Encyclopaedia Britannica.

Chicago Style Citation

1961 Britannica Book of the Year. Chicago: Encyclopaedia Britannica, 1961.

Cita MLA

1961 Britannica Book of the Year. Chicago: Encyclopaedia Britannica, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.