Cita APA (7th ed.)

Veldmeijer, A. J., Witton, M., & Nieuwland, I. (2012). Pterosaurs: Flying contemporaries of the dinosaurs. Sidestone Press.

Cita Chicago (17th ed.)

Veldmeijer, André J., Mark Witton, i Ilja Nieuwland. Pterosaurs: Flying Contemporaries of the Dinosaurs. Leiden: Sidestone Press, 2012.

Cita MLA (9th ed.)

Veldmeijer, André J., et al. Pterosaurs: Flying Contemporaries of the Dinosaurs. Sidestone Press, 2012.