Cita APA (7a ed.)

Helm, R. M., Sellner, T. F., & O'Flaherty, J. C. (2020). Studies in Nietzsche and the Classical Tradition (Second edition.). Project Muse.

Cita Chicago Style (17a ed.)

Helm, Robert Meredith, Timothy F. Sellner, y James C. O'Flaherty. Studies in Nietzsche and the Classical Tradition. Second edition. Baltimore, Maryland: Project Muse, 2020.

Cita MLA (9a ed.)

Helm, Robert Meredith, et al. Studies in Nietzsche and the Classical Tradition. Second edition. Project Muse, 2020.