Cita APA (7a ed.)

Royce, J. (1971). The philosophy of loyalty. Hafner Pub. Co..

Cita Chicago Style (17a ed.)

Royce, Josiah. The Philosophy of Loyalty. New York: Hafner Pub. Co., 1971.

Cita MLA (8a ed.)

Royce, Josiah. The Philosophy of Loyalty. Hafner Pub. Co., 1971.