APA aipamena

Kurtz, A., Härtl, W., Jelkmann, W., Zapf, J., & Bauer, C. (1985). Activity in fetal bovine serum that stimulates erythroid colony formation in fetal mouse livers is insulinlike growth factor I.

Chicago Style aipamena

Kurtz, A., W. Härtl, W. Jelkmann, J. Zapf, and C. Bauer. Activity in Fetal Bovine Serum That Stimulates Erythroid Colony Formation in Fetal Mouse Livers Is Insulinlike Growth Factor I. 1985.

MLA aipamena

Kurtz, A., et al. Activity in Fetal Bovine Serum That Stimulates Erythroid Colony Formation in Fetal Mouse Livers Is Insulinlike Growth Factor I. 1985.