APA (7e ed.) Bronvermelding

Guthrie, W. K. C., & Guthrie, W. K. C. (1980). The presocratic tradition from Parmenides to Democritus. Cambridge Univ. Press.

Chicago (17e ed.) Bronvermelding

Guthrie, William Keith Chambers, en William Keith Chambers Guthrie. The Presocratic Tradition from Parmenides to Democritus. Cambridge [u.a.]: Cambridge Univ. Press, 1980.

MLA (8e ed.) Bronvermelding

Guthrie, William Keith Chambers, en William Keith Chambers Guthrie. The Presocratic Tradition from Parmenides to Democritus. Cambridge Univ. Press, 1980.