Style de citation APA (7e éd.)

O’Connor, J., Erickson, G. M., Norell, M., Bailleul, A. M., Hu, H., & Zhou, Z. (2018). Medullary bone in an Early Cretaceous enantiornithine bird and discussion regarding its identification in fossils. Nature Portfolio.

Style de citation Chicago (17e éd.)

O’Connor, Jingmai, Gregory M. Erickson, Mark Norell, Alida M. Bailleul, Han Hu, et Zhonghe Zhou. Medullary Bone in an Early Cretaceous Enantiornithine Bird and Discussion Regarding Its Identification in Fossils. Nature Portfolio, 2018.

Style de citation MLA (8e éd.)

O’Connor, Jingmai, et al. Medullary Bone in an Early Cretaceous Enantiornithine Bird and Discussion Regarding Its Identification in Fossils. Nature Portfolio, 2018.