Cita APA (7a ed.)

Marcel, G., Ringer, V., & Ringer, G. (1956). Royce's metaphysics. Henry Regnery.

Cita Chicago Style (17a ed.)

Marcel, Gabriel, Virginia Ringer, y Gordon Ringer. Royce's Metaphysics. Chicago: Henry Regnery, 1956.

Cita MLA (8a ed.)

Marcel, Gabriel, et al. Royce's Metaphysics. Henry Regnery, 1956.