APA (7th ed.) Citation

Guthrie, W. K. C. (1989). The Greek philosophers from Thales to Aristotle (Repr.). Routledge.

Chicago Style (17th ed.) Citation

Guthrie, William K. C. The Greek Philosophers from Thales to Aristotle. Repr. London u.a: Routledge, 1989.

MLA (9th ed.) Citation

Guthrie, William K. C. The Greek Philosophers from Thales to Aristotle. Repr. Routledge, 1989.