Cita APA (7th ed.)

Walkey, D. (1991). Applied plant virology. Springer.

Cita Chicago (17th ed.)

Walkey, D.G.A. Applied Plant Virology. Hidelberg: Springer, 1991.

Cita MLA (9th ed.)

Walkey, D.G.A. Applied Plant Virology. Springer, 1991.