Cita APA (7a ed.)

Hopman, P. (2012). Valentine and his violin. Lemniscaat USA.

Cita Chicago Style (17a ed.)

Hopman, Philip. Valentine and His Violin. New York, NY: Lemniscaat USA, 2012.

Cita MLA (8a ed.)

Hopman, Philip. Valentine and His Violin. Lemniscaat USA, 2012.

Precaución: Estas citas no son 100% exactas.