Cita APA (7a ed.)
Halper, E. Form and Reason: Essays in Metaphysics. State University of New York.
Cita estilo Chicago (17a ed.)
Halper, Edward. Form and Reason: Essays in Metaphysics. Nueva York, EUA: State University of New York.
Cita MLA (9a ed.)
Halper, Edward. Form and Reason: Essays in Metaphysics. State University of New York.
Precaución: Estas citas no son 100% exactas.