APA (7th ed.) Citation

Hergé. (1988). <O >ceptro de Ottokar. Verbo.

Chicago Style (17th ed.) Citation

Hergé. <O >ceptro De Ottokar. Verbo, 1988.

MLA (8th ed.) Citation

Hergé. <O >ceptro De Ottokar. Verbo, 1988.

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