Cita APA (7th ed.)

GUTHRIE, W. (1950). The Greek Philosophers. Methuen.

Cita Chicago (17th ed.)

GUTHRIE, W.K.C. The Greek Philosophers. London: Methuen, 1950.

Cita MLA (9th ed.)

GUTHRIE, W.K.C. The Greek Philosophers. Methuen, 1950.