Cita APA (7a ed.)

(1975). Yearbook of Science and the Future. Encyclopaedia Britannica.

Cita Chicago Style (17a ed.)

Yearbook of Science and the Future. Chicago: Encyclopaedia Britannica, 1975.

Cita MLA (9a ed.)

Yearbook of Science and the Future. Encyclopaedia Britannica, 1975.