APA (7th ed.) Citation

Jones, C., Gadler, S. J., & Engstrom, P. H. (1972). Pollution: The food we eat. Dent.

Chicago Style (17th ed.) Citation

Jones, Claire, Steve J. Gadler, and Paul H. Engstrom. Pollution: The Food We Eat. London: Dent, 1972.

MLA (8th ed.) Citation

Jones, Claire, et al. Pollution: The Food We Eat. Dent, 1972.