Style de citation APA (7e éd.)

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.

Style de citation Chicago (17e éd.)

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.

Style de citation MLA (9e éd.)

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.