Style de citation APA

Ahmed, A. M., & Sirageldin, I. (1994). Internal migration, earnings, and the importance of self-selection. Pakistan development review, 33(3), 211.

Style de citation Chicago

Ahmed, A M., et I. Sirageldin. "Internal Migration, Earnings, and the Importance of Self-selection." Pakistan Development Review 33, no. 3 (1994): 211.

Style de citation MLA

Ahmed, A M., et I. Sirageldin. "Internal Migration, Earnings, and the Importance of Self-selection." Pakistan Development Review, vol. 33, no. 3, 1994, p. 211.