APA citiranje

Chen, Y., Huang, L., Russo, A. F., & Solursh, M. (1992). Retinoic acid is enriched in Hensen's node and is developmentally regulated in the early chicken embryo.

Citação norma Chicago

Chen, Y., L. Huang, A F. Russo, and M. Solursh. Retinoic Acid Is Enriched in Hensen's Node and Is Developmentally Regulated in the Early Chicken Embryo. 1992.

MLA citiranje

Chen, Y., L. Huang, A F. Russo, and M. Solursh. Retinoic Acid Is Enriched in Hensen's Node and Is Developmentally Regulated in the Early Chicken Embryo. 1992.