Cita APA (7a ed.)

Smith, K. M. (1972). A Textbook of plant virus diseases (3rd edition.). Longman.

Cita Chicago Style (17a ed.)

Smith, Kenneth M. A Textbook of Plant Virus Diseases. 3rd edition. London: Longman, 1972.

Cita MLA (8a ed.)

Smith, Kenneth M. A Textbook of Plant Virus Diseases. 3rd edition. Longman, 1972.