Cita APA (7th ed.)
Guthrie, W. K. C. (1975). The Greek philosophers: From Thales to Aristotle. Harper & Row.
Cita Chicago (17th ed.)
Guthrie, W. K. C. The Greek Philosophers: From Thales to Aristotle. New York: Harper & Row, 1975.
Cita MLA (9th ed.)
Guthrie, W. K. C. The Greek Philosophers: From Thales to Aristotle. Harper & Row, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.