APA

Puerto Rico. Universidad, Quintero Ramos A. M., . (1957). Security market averages and indexes. Río Piedras, P.R: University of Puerto Rico, College of Business Administration.

Chicago

Puerto Rico. Universidad, Quintero Ramos Angel M, . 1957. Security market averages and indexes. Río Piedras, P.R: University of Puerto Rico, College of Business Administration.

Harvard

Puerto Rico. Universidad, Quintero Ramos A. M., . (1957). Security market averages and indexes. Río Piedras, P.R: University of Puerto Rico, College of Business Administration.

MLA

Puerto Rico. Universidad, Quintero Ramos Angel M, . Security market averages and indexes. Río Piedras, P.R: University of Puerto Rico, College of Business Administration. 1957.