APA Style
Kilbourne, E, D., Smillie, W, G.
(1969).
Human ecology and public health
(
4th)
.
London:
Macmillam company.
MLA Style
Kilbourne, Edwin, D., Smillie, Wilson, G.
"Human ecology and public health".
4th
London:
Macmillam company,
1969.
Text.