APA

Guthrie W. K. C., . (1960). The Greek philosophers from Thales to Aristotle. New York: Harper.

Chicago

Guthrie William Keith Chambers, . 1960. The Greek philosophers from Thales to Aristotle. New York: Harper.

Harvard

Guthrie W. K. C., . (1960). The Greek philosophers from Thales to Aristotle. New York: Harper.

MLA

Guthrie William Keith Chambers, . The Greek philosophers from Thales to Aristotle. New York: Harper. 1960.