APA (7th ed.) Citation

(1973). Encyclopaedia Britannica ([14th ed., repr.].). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica. [14th ed., repr.]. Chicago [etc.]: Encyclopaedia Britannica, 1973.

MLA (9th ed.) Citation

Encyclopaedia Britannica. [14th ed., repr.]. Encyclopaedia Britannica, 1973.

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