Books, Y. Natureza. Yoyo Books.
Chicago Style (17th ed.) CitationBooks, Yoyo. Natureza. Yoyo Books.
MLA (8th ed.) CitationBooks, Yoyo. Natureza. Yoyo Books.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
APA (7th ed.) Citation