APA

Pan American Union, . (1959). The Organization of American States, 1954-1959: report submitted by the Pan American Union to the eleventh Inter-American Conference. Washington: .

Chicago

Pan American Union, . 1959. The Organization of American States, 1954-1959: report submitted by the Pan American Union to the eleventh Inter-American Conference. Washington: .

Harvard

Pan American Union, . (1959). The Organization of American States, 1954-1959: report submitted by the Pan American Union to the eleventh Inter-American Conference. Washington: .

MLA

Pan American Union, . The Organization of American States, 1954-1959: report submitted by the Pan American Union to the eleventh Inter-American Conference. Washington: . 1959.