Horner, J. R., & Goodwin, M. B. (2006). Major cranial changes during Triceratops ontogeny. The Royal Society.
Citação norma ChicagoHorner, John R., and Mark B. Goodwin. Major Cranial Changes During Triceratops Ontogeny. The Royal Society, 2006.
MLA引文Horner, John R., and Mark B. Goodwin. Major Cranial Changes During Triceratops Ontogeny. The Royal Society, 2006.
警告:這些引文格式不一定是100%准確.