Cita APA (7th ed.)
Purdie, E. (1897). The perfective "Aktionsart" in Polybius.
Cita Chicago (17th ed.)
Purdie, Eleanor. The Perfective "Aktionsart" in Polybius. Freiburg, 1897.
Cita MLA (9th ed.)
Purdie, Eleanor. The Perfective "Aktionsart" in Polybius. 1897.
Atenció: Aquestes cites poden no estar 100% correctes.