APA ציטוט

Eckner, R. J., & Hettrick, K. L. (1977). Defective Friend Spleen Focus-Forming Virus: Interfering Properties and Isolation Free from Standard Leukemia-Inducing Helper Virus. J Virol.

Citação norma Chicago

Eckner, Robert J., and Kristine L. Hettrick. "Defective Friend Spleen Focus-Forming Virus: Interfering Properties and Isolation Free From Standard Leukemia-Inducing Helper Virus." J Virol 1977.

ציטוט MLA

Eckner, Robert J., and Kristine L. Hettrick. "Defective Friend Spleen Focus-Forming Virus: Interfering Properties and Isolation Free From Standard Leukemia-Inducing Helper Virus." J Virol 1977.