Cita APA (7th ed.)
Gressel, J., & Ammann, K. (2008). Genetic Glass Ceilings: Transgenics for Crop Biodiversity. Johns Hopkins University Press.
Cita Chicago (17th ed.)
Gressel, Jonathan, i Klaus Ammann. Genetic Glass Ceilings: Transgenics for Crop Biodiversity. Baltimore: Johns Hopkins University Press, 2008.
Cita MLA (9th ed.)
Gressel, Jonathan, i Klaus Ammann. Genetic Glass Ceilings: Transgenics for Crop Biodiversity. Johns Hopkins University Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.