APA (7th ed.) Citation

Encyclopaedia Britannica, inc, & Rand McNally and Company. (1989). Britannica atlas. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica, inc, and Rand McNally and Company. Britannica Atlas. Chicago: Encyclopaedia Britannica, 1989.

MLA (9th ed.) Citation

Encyclopaedia Britannica, inc, and Rand McNally and Company. Britannica Atlas. Encyclopaedia Britannica, 1989.

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