APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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