Cita APA (7a ed.)

Royce, J., & Smith, J. E. (1959). The four historical conceptions of being. Dover.

Cita Chicago Style (17a ed.)

Royce, Josiah, y John Edwin Smith. The Four Historical Conceptions of Being. New York: Dover, 1959.

Cita MLA (9a ed.)

Royce, Josiah, y John Edwin Smith. The Four Historical Conceptions of Being. Dover, 1959.