Cita APA (7th ed.)

Norton P. B. (1994). The New Encyclopaedia Britannica: In 33 Vol; 1994 Britannica Book of the Year (15-th ed.). London, Encyclopaedia Britannica, 1994.

Cita Chicago (17th ed.)

Norton P. B. The New Encyclopaedia Britannica: In 33 Vol; 1994 Britannica Book of the Year. 15-th ed. London, Encyclopaedia Britannica, 1994, 1994.

Cita MLA (9th ed.)

Norton P. B. The New Encyclopaedia Britannica: In 33 Vol; 1994 Britannica Book of the Year. 15-th ed. London, Encyclopaedia Britannica, 1994, 1994.