Cita APA (7a ed.)

Peña, R. d. l. (1971). Joan M. Nelson, Migrants, Urban Poverty, and Instability in Developing Nations, Occasional Papers in International Affairs, no. 22, Cambridge, Harvard University, 1969. 81 p. El Colegio de México A.C.

Cita Chicago Style (17a ed.)

Peña, Raúl de la. Joan M. Nelson, Migrants, Urban Poverty, and Instability in Developing Nations, Occasional Papers in International Affairs, No. 22, Cambridge, Harvard University, 1969. 81 P. El Colegio de México A.C, 1971.

Cita MLA (9a ed.)

Peña, Raúl de la. Joan M. Nelson, Migrants, Urban Poverty, and Instability in Developing Nations, Occasional Papers in International Affairs, No. 22, Cambridge, Harvard University, 1969. 81 P. El Colegio de México A.C, 1971.