APA

Smith K. M., . (1972). A textbook of plant virus diseases. New York: Academic Press.

Chicago

Smith Kenneth M, . 1972. A textbook of plant virus diseases. New York: Academic Press.

Harvard

Smith K. M., . (1972). A textbook of plant virus diseases. New York: Academic Press.

MLA

Smith Kenneth M, . A textbook of plant virus diseases. New York: Academic Press. 1972.