APA Edition Citation

(1974). Encyclopaedia Britannica. Macropaedia. 19v, eng (15th ed.).

Chicago Edition Citation

Encyclopaedia Britannica. Macropaedia. 19v, Eng. 15th ed. 1974.

MLA Edition Citation

Encyclopaedia Britannica. Macropaedia. 19v, Eng. 15th ed. 1974.

Warning: These citations may not always be 100% accurate.