Cita APA (7a ed.)

Guthrie, W. (1960). The greek philosophers: From Thales to Aristotle. Methuen.

Cita Chicago Style (17a ed.)

Guthrie, W.K.C. The Greek Philosophers: From Thales to Aristotle. London: Methuen, 1960.

Cita MLA (8a ed.)

Guthrie, W.K.C. The Greek Philosophers: From Thales to Aristotle. Methuen, 1960.