APA Format
Friis, Robert H.
. (2019). Essentials of Environmental health. London : Jones and Bartlett Learning
MLA Format
Friis, Robert H.
. Essentials of Environmental health. London : Jones and Bartlett Learning, 2019
Australian/Harvard Format
Friis, Robert H.
. 2019. Essentials of Environmental health. Jones and Bartlett Learning, London
Warning: These citations may not always be 100% accurate.