Cita APA (7th ed.)

BOYD, W. (1962). An introduction to the republic of Plato. George Allen and Unwin.

Cita Chicago (17th ed.)

BOYD, William. An Introduction to the Republic of Plato. London: George Allen and Unwin, 1962.

Cita MLA (9th ed.)

BOYD, William. An Introduction to the Republic of Plato. George Allen and Unwin, 1962.