Cita APA (7a ed.)

Stewart, P. (1963). Meteorology unit. Encyclopaedia Britannica Educational Corporation.

Cita Chicago Style (17a ed.)

Stewart, P.E. Meteorology Unit. Chicago: Encyclopaedia Britannica Educational Corporation, 1963.

Cita MLA (9a ed.)

Stewart, P.E. Meteorology Unit. Encyclopaedia Britannica Educational Corporation, 1963.