APA

Rodríguez Santiago R., . (1970). The Puerto Rican rural second unit school: a study of its objectives, program of instruction and administrative organization. [New York: s. n.].

Chicago

Rodríguez Santiago Ramón, . 1970. The Puerto Rican rural second unit school: a study of its objectives, program of instruction and administrative organization. [New York: s. n.].

Harvard

Rodríguez Santiago R., . (1970). The Puerto Rican rural second unit school: a study of its objectives, program of instruction and administrative organization. [New York: s. n.].

MLA

Rodríguez Santiago Ramón, . The Puerto Rican rural second unit school: a study of its objectives, program of instruction and administrative organization. [New York: s. n.]. 1970.