Gaya APA

Theodorou, R. et al (1994). I Wonder Why Triceratops had horns and other Questions about Dinosaurs . New York: Kingfisher Publication.

Gaya MLA

Theodorou, Rod. et al. "I Wonder Why Triceratops had horns and other Questions about Dinosaurs". New York: Kingfisher Publication, 1994. Text.