APA Citation

Enciclopaedia Britannica, & Enciclopaedia Britannica. (1990). Learning. Chicago, III.: Encyclopaedia Britannica Educational Corp.

Chicago Style Citation

Enciclopaedia Britannica, and Enciclopaedia Britannica. Learning. Chicago, III.: Encyclopaedia Britannica Educational Corp, 1990.

MLA Citation

Enciclopaedia Britannica, and Enciclopaedia Britannica. Learning. Chicago, III.: Encyclopaedia Britannica Educational Corp, 1990.

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