APA (7th ed.) Citation

Hergé. (2003). <O> ceptro de Ottokar. Verbo.

Chicago Style (17th ed.) Citation

Hergé. <O> Ceptro De Ottokar. Verbo, 2003.

MLA (8th ed.) Citation

Hergé. <O> Ceptro De Ottokar. Verbo, 2003.

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