APA (7th ed.) Citation

Foulkes, E. C. (1990). Biological effects of heavy metals. CRC Press.

Chicago Style (17th ed.) Citation

Foulkes, Ernest C. Biological Effects of Heavy Metals. Boca Raton, FL: CRC Press, 1990.

MLA (9th ed.) Citation

Foulkes, Ernest C. Biological Effects of Heavy Metals. CRC Press, 1990.