Παραπομπή σε μορφή APA (7η εκδ.)

Alston, J. M., Andersen, M. A., James, J. S., & Pardey, P. G. (2010). Persistence Pays: U.S. Agricultural Productivity Growth and the Benefits from Public R&D Spending. Springer Science+Business Media, LLC.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alston, Julian M., Matthew A. Andersen, Jennifer S. James, και Philip G. Pardey. Persistence Pays: U.S. Agricultural Productivity Growth and the Benefits from Public R&D Spending. New York, NY: Springer Science+Business Media, LLC, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

Alston, Julian M., et al. Persistence Pays: U.S. Agricultural Productivity Growth and the Benefits from Public R&D Spending. Springer Science+Business Media, LLC, 2010.