APA (7th ed.) Citation
Hajjar, R., Jarvis, D. I., & Gemmill-Herren, B. (2008). The utility of crop genetic diversity in maintaining ecosystem services. Elsevier.
Chicago Style (17th ed.) Citation
Hajjar, R., Devra I. Jarvis, and Barbara Gemmill-Herren. The Utility of Crop Genetic Diversity in Maintaining Ecosystem Services. Elsevier, 2008.
MLA (9th ed.) Citation
Hajjar, R., et al. The Utility of Crop Genetic Diversity in Maintaining Ecosystem Services. Elsevier, 2008.
Warning: These citations may not always be 100% accurate.