APA (7th ed.) Citation

Goetz, P. W. (1989). The new Encyclopaedia Britannica: Propaedia. Outline of knowledge. Guide to the Britannica (15th ed.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Goetz, P. W. The New Encyclopaedia Britannica: Propaedia. Outline of Knowledge. Guide to the Britannica. 15th ed. Chicago: Encyclopaedia Britannica, 1989.

MLA (9th ed.) Citation

Goetz, P. W. The New Encyclopaedia Britannica: Propaedia. Outline of Knowledge. Guide to the Britannica. 15th ed. Encyclopaedia Britannica, 1989.

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