APA Style
Smith ,Robert Leo. (1992).
Elements Of Ecology .
:
.
Chicago Style
Smith ,Robert Leo.
Elements Of Ecology.
:
,
1992.
.
MLA Style
Smith ,Robert Leo.
Elements Of Ecology.
:
,
1992.
.
Turabian Style
Smith ,Robert Leo.
Elements Of Ecology.
:
,
1992.
.