Citazione Stile APA (7a Edizione)
Helm, R. M., Sellner, T. F., & O'Flaherty, J. C. (2020). Studies in Nietzsche and the Classical Tradition (Second edition.). Project Muse.
Citazione stile Chigago Style (17a edizione)
Helm, Robert Meredith, Timothy F. Sellner, e James C. O'Flaherty. Studies in Nietzsche and the Classical Tradition. Second edition. Baltimore, Maryland: Project Muse, 2020.
Citatione MLA (9a ed.)
Helm, Robert Meredith, et al. Studies in Nietzsche and the Classical Tradition. Second edition. Project Muse, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.