Cita APA

Graf, H., Watzinger, U., Ludvik, B., Wagner, A., Höcker, P., & Zweymüller, K. K. (1990). Recombinant human erythropoietin as adjuvant treatment for autologous blood donation.

Chicago Style Citation

Graf, H., U. Watzinger, B. Ludvik, A. Wagner, P. Höcker, i K K. Zweymüller. Recombinant Human Erythropoietin As Adjuvant Treatment for Autologous Blood Donation. 1990.

Cita MLA

Graf, H., et al. Recombinant Human Erythropoietin As Adjuvant Treatment for Autologous Blood Donation. 1990.