Gaya APA

Lonsdale-Cooper, L. et al (2002). The Castafiore Emerald: The Adventuress of Tintin #21 . London: Egmont Books.

Gaya MLA

Lonsdale-Cooper, Leslie. et al. "The Castafiore Emerald: The Adventuress of Tintin #21". London: Egmont Books, 2002. Text.