Cita APA (7th ed.)

Allen, M. F. S. (2003). Hugo in 3 months Portuguese. DK Limited.

Cita Chicago (17th ed.)

Allen, Maria Fernanda S. Hugo in 3 Months Portuguese. London: DK Limited, 2003.

Cita MLA (9th ed.)

Allen, Maria Fernanda S. Hugo in 3 Months Portuguese. DK Limited, 2003.