APA (7th ed.) Citation

Facts on File, Inc, & Yule, J. (1980). Concise encyclopedia of the sciences. Facts on File.

Chicago Style (17th ed.) Citation

Facts on File, Inc, and John-David Yule. Concise Encyclopedia of the Sciences. New York, N.Y.: Facts on File, 1980.

MLA (8th ed.) Citation

Facts on File, Inc, and John-David Yule. Concise Encyclopedia of the Sciences. Facts on File, 1980.