Cita APA (7a ed.)

Friend, J., & Threlfall, D. (1976). Biochemical aspects of plant-parasite relationships (8th edition.). Academic Press.

Cita Chicago Style (17a ed.)

Friend, J., y D.R Threlfall. Biochemical Aspects of Plant-parasite Relationships. 8th edition. London: Academic Press, 1976.

Cita MLA (8a ed.)

Friend, J., y D.R Threlfall. Biochemical Aspects of Plant-parasite Relationships. 8th edition. Academic Press, 1976.