APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Smith, Kenneth Manley. A Textbook of Plant Virus Diseases. 3rd ed. [London]: Longman, 1972.

MLA (9th ed.) Citation

Smith, Kenneth Manley. A Textbook of Plant Virus Diseases. 3rd ed. Longman, 1972.