APA (7th ed.) Citation

Tolstoy, L., & Maude, L. (1952). War and peace. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Tolstoy, Leo, and Louise Maude. War and Peace. Chicago: Encyclopedia Britannica, 1952.

MLA (8th ed.) Citation

Tolstoy, Leo, and Louise Maude. War and Peace. Encyclopedia Britannica, 1952.

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