Cita APA (7a ed.)

Abraham, D., & Abraham, K. (1991). Growing plants from seed. Lyons & Burford.

Cita Chicago Style (17a ed.)

Abraham, Doc, y Katy Abraham. Growing Plants from Seed. New York: Lyons & Burford, 1991.

Cita MLA (9a ed.)

Abraham, Doc, y Katy Abraham. Growing Plants from Seed. Lyons & Burford, 1991.