APA
Sinclair T. A., . (1961). A history of Greek political thought. London: Routledge & Kegan Paul ltd.
Chicago
Sinclair T A, . 1961. A history of Greek political thought. London: Routledge & Kegan Paul ltd.
Harvard
Sinclair T. A., . (1961). A history of Greek political thought. London: Routledge & Kegan Paul ltd.
MLA
Sinclair T A, . A history of Greek political thought. London: Routledge & Kegan Paul ltd. 1961.