APA (7th ed.) Citation

Herge. (2002). The castafiore emerald. Egmont Publishers.

Chicago Style (17th ed.) Citation

Herge. The Castafiore Emerald. London: Egmont Publishers, 2002.

MLA (9th ed.) Citation

Herge. The Castafiore Emerald. Egmont Publishers, 2002.

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