Παραπομπή APA

Guthrie W K C. (1997). The greek philosophers: From thales to Aristotle. Routledge.

Παραπομπή Chicago Style

Guthrie W K C. The Greek Philosophers: From Thales to Aristotle. London: Routledge, 1997.

Παραπομπή MLA

Guthrie W K C. The Greek Philosophers: From Thales to Aristotle. Routledge, 1997.