Cita APA

Freeman, A. E., Engvall, E., Hirata, K., Yoshida, Y., Kottel, R. H., Hilborn, V., & Ruoslahti, E. (1981). Differentiation of fetal liver cells in vitro.

Chicago Style Citation

Freeman, A E., E. Engvall, K. Hirata, Y. Yoshida, R H. Kottel, V. Hilborn, i E. Ruoslahti. Differentiation of Fetal Liver Cells in Vitro. 1981.

Cita MLA

Freeman, A E., et al. Differentiation of Fetal Liver Cells in Vitro. 1981.