Cita APA (7a ed.)

Chiappe, L. M., & Witmer, L. M. (2002). Mesozoic birds: Above the heads of dinosaurs ([s.e.].). University of California Press.

Cita Chicago Style (17a ed.)

Chiappe, Luis M., y Lawrence M. Witmer. Mesozoic Birds: Above the Heads of Dinosaurs. [s.e.]. Berkeley: University of California Press, 2002.

Cita MLA (8a ed.)

Chiappe, Luis M., y Lawrence M. Witmer. Mesozoic Birds: Above the Heads of Dinosaurs. [s.e.]. University of California Press, 2002.