Cita APA (7a ed.)
Barclay, W. (1974). By what authority? Darton, Longman & Todd.
Cita Chicago Style (17a ed.)
Barclay, William. By What Authority? London: Darton, Longman & Todd, 1974.
Cita MLA (9a ed.)
Barclay, William. By What Authority? Darton, Longman & Todd, 1974.
Precaución: Estas citas no son 100% exactas.