Cita APA (7a ed.)

Joppien, R. (1999). Schmuck ; Jacqueline Ryan, Giovanni Corvaja: [Text: Rüdiger Joppien]. Ed. Canova.

Cita Chicago Style (17a ed.)

Joppien, Rüdiger. Schmuck ; Jacqueline Ryan, Giovanni Corvaja: [Text: Rüdiger Joppien]. Treviso: Ed. Canova, 1999.

Cita MLA (8a ed.)

Joppien, Rüdiger. Schmuck ; Jacqueline Ryan, Giovanni Corvaja: [Text: Rüdiger Joppien]. Ed. Canova, 1999.