APA (7th ed.) Citation

María Elena Ortiz & Jaime Padilla. (2012). Editorial. Universidad Politécnica Salesiana.

Chicago Style (17th ed.) Citation

María Elena Ortiz and Jaime Padilla. Editorial. Universidad Politécnica Salesiana, 2012.

MLA (9th ed.) Citation

María Elena Ortiz and Jaime Padilla. Editorial. Universidad Politécnica Salesiana, 2012.

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