APA (7th ed.) Citation
Cipollina, M., & Salvatici, L. (2012). Hands-on gravity estimation with STATA. International Food Policy Research Institute.
Chicago Style (17th ed.) Citation
Cipollina, Maria, and Luca Salvatici. Hands-on Gravity Estimation with STATA. International Food Policy Research Institute, 2012.
MLA (9th ed.) Citation
Cipollina, Maria, and Luca Salvatici. Hands-on Gravity Estimation with STATA. International Food Policy Research Institute, 2012.
Warning: These citations may not always be 100% accurate.