APA Style
Purvis, J., Hodgson, T. (2015).
The Chemical Examination of Water; Sewage and Foods and Other Substances .
Cambridge:
Cambridge Universitas.press.
MLA Style
Purvis, J.E., Hodgson, T.R.
"The Chemical Examination of Water; Sewage and Foods and Other Substances".
Cambridge:
Cambridge Universitas.press,
2015.
Text.