APA (7th ed.) Citation

McLenighan, V., & Zeleny, R. O. (1982). Christmas in Austria. World Book Encyclopedia.

Chicago Style (17th ed.) Citation

McLenighan, Valjean, and Robert O. Zeleny. Christmas in Austria. Chicago, Illinois: World Book Encyclopedia, 1982.

MLA (8th ed.) Citation

McLenighan, Valjean, and Robert O. Zeleny. Christmas in Austria. World Book Encyclopedia, 1982.