Cita APA

Smith, B. V. K., Marks, R., & Elek, S. D. (1967). Viruses and Warts.

Chicago Style Citation

Smith, B. V. Kingsley, R. Marks, i S. D. Elek. Viruses and Warts. 1967.

Cita MLA

Smith, B. V. Kingsley, R. Marks, i S. D. Elek. Viruses and Warts. 1967.