APA Style
Clapham, W.B.. (1973).
Natural Ecosystems .
:
Macmillan Publishing Co.,Inc..
Chicago Style
Clapham, W.B..
Natural Ecosystems.
:
Macmillan Publishing Co.,Inc.,
1973.
Text.
MLA Style
Clapham, W.B..
Natural Ecosystems.
:
Macmillan Publishing Co.,Inc.,
1973.
Text.
Turabian Style
Clapham, W.B..
Natural Ecosystems.
:
Macmillan Publishing Co.,Inc.,
1973.
Print.