APA (7th ed.) Citation

Leon, S. I., & Leon, S. J. (1959). An encyclopedia of candy and ice-cream making. Chemical Pub. Co..

Chicago Style (17th ed.) Citation

Leon, Simon I., and S. Joseph Leon. An Encyclopedia of Candy and Ice-cream Making. New York: Chemical Pub. Co., 1959.

MLA (8th ed.) Citation

Leon, Simon I., and S. Joseph Leon. An Encyclopedia of Candy and Ice-cream Making. Chemical Pub. Co., 1959.