APA Citation

Poitras, G. (1960). International migration from Costa Rica and El Salvador. [S.l.]: [s.n.].

Chicago Style Citation

Poitras, Guy. International Migration From Costa Rica and El Salvador. [S.l.]: [s.n.], 1960.

MLA Citation

Poitras, Guy. International Migration From Costa Rica and El Salvador. [S.l.]: [s.n.], 1960.

Warning: These citations may not always be 100% accurate.