Cita APA (7a ed.)

Smith, K. M. (1968). Plant viruses (4th edition.). Methuen.

Cita Chicago Style (17a ed.)

Smith, Kenneth M. Plant Viruses. 4th edition. Londres: Methuen, 1968.

Cita MLA (8a ed.)

Smith, Kenneth M. Plant Viruses. 4th edition. Methuen, 1968.