Cita APA (7th ed.)

Pontano, G. G., & Pigman, G. W. (2019). The virtues and vices of speech. Harvard University Press.

Cita Chicago (17th ed.)

Pontano, Giovanni Gioviano, i G. W. Pigman. The Virtues and Vices of Speech. Cambridge, Massachusetts, USA: Harvard University Press, 2019.

Cita MLA (9th ed.)

Pontano, Giovanni Gioviano, i G. W. Pigman. The Virtues and Vices of Speech. Harvard University Press, 2019.