Citazione Stile APA (7a Edizione)

Peg Hall. (2002). "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books.

Citazione stile Chigago Style (17a edizione)

Peg Hall. "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books, 2002.

Citatione MLA (9a ed.)

Peg Hall. "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books, 2002.