Cita APA

Allen, R. (2002). Punctuation: One step ahead. Oxford University Press.

Citación estilo Chicago

Allen, Robert. Punctuation: One Step Ahead. New York: Oxford University Press, 2002.

Cita MLA

Allen, Robert. Punctuation: One Step Ahead. Oxford University Press, 2002.

Warning: These citations may not always be 100% accurate.