Citazione Stile APA (7a Edizione)

(1980). A Day in the zoo: A reproduction of the antique pop-up book. Kestrel Books.

Citazione stile Chigago Style (17a edizione)

A Day in the Zoo: A Reproduction of the Antique Pop-up Book. London: Kestrel Books, 1980.

Citatione MLA (8a ed.)

A Day in the Zoo: A Reproduction of the Antique Pop-up Book. Kestrel Books, 1980.