APA (7th ed.) Citation

O'Brien, D. (1969). Empedocles' cosmic cycle: A reconstruction from the fragments and secondary sources. Cambridge U.P..

Chicago Style (17th ed.) Citation

O'Brien, Denis. Empedocles' Cosmic Cycle: A Reconstruction from the Fragments and Secondary Sources. London: Cambridge U.P., 1969.

MLA (9th ed.) Citation

O'Brien, Denis. Empedocles' Cosmic Cycle: A Reconstruction from the Fragments and Secondary Sources. Cambridge U.P., 1969.

Warning: These citations may not always be 100% accurate.