APA Style
Barker, Ernest. (1918).
Greak Political Theory .
:
.
Chicago Style
Barker, Ernest.
Greak Political Theory.
:
,
1918.
.
MLA Style
Barker, Ernest.
Greak Political Theory.
:
,
1918.
.
Turabian Style
Barker, Ernest.
Greak Political Theory.
:
,
1918.
.