Cita APA (7a ed.)

Ostrom, J. H., & Head, J. J. (1984). Dinosaurs (2a ed.). Carolina Biological Supply, Scientific Publications Department.

Cita Chicago Style (17a ed.)

Ostrom, John H., y J. J. Head. Dinosaurs. 2a ed. Burlington, N.C.: Carolina Biological Supply, Scientific Publications Department, 1984.

Cita MLA (8a ed.)

Ostrom, John H., y J. J. Head. Dinosaurs. 2a ed. Carolina Biological Supply, Scientific Publications Department, 1984.