Cita APA (7th ed.)

Collins, W. W., & Qualset, C. O. (1999). Biodiversity in agroecosystems. CRC Press.

Cita Chicago (17th ed.)

Collins, Wanda W., i Calvin O. Qualset. Biodiversity in Agroecosystems. Boca Raton, FL: CRC Press, 1999.

Cita MLA (9th ed.)

Collins, Wanda W., i Calvin O. Qualset. Biodiversity in Agroecosystems. CRC Press, 1999.