APA citiranje

de Villiers, E. M., Gissmann, L., & zur Hausen, H. (1981). Molecular cloning of viral DNA from human genital warts.

Citação norma Chicago

de Villiers, E M., L. Gissmann, and H. zur Hausen. Molecular Cloning of Viral DNA From Human Genital Warts. 1981.

MLA citiranje

de Villiers, E M., L. Gissmann, and H. zur Hausen. Molecular Cloning of Viral DNA From Human Genital Warts. 1981.