Cita APA (7a ed.)

Guthrie, W. K. C. (1969). A History of Greek philosophy. University Press.

Cita Chicago Style (17a ed.)

Guthrie, W. K. C. A History of Greek Philosophy. Cambridge: University Press, 1969.

Cita MLA (9a ed.)

Guthrie, W. K. C. A History of Greek Philosophy. University Press, 1969.