Cita APA (7th ed.)

Carreño Campos, X., & Cruz Schmidt, X. (2012). Algebra (1a. ed.). Mc Graw-Hill Education.

Cita Chicago (17th ed.)

Carreño Campos, Ximena, i Ximena Cruz Schmidt. Algebra. 1a. ed. Santiago: Mc Graw-Hill Education, 2012.

Cita MLA (9th ed.)

Carreño Campos, Ximena, i Ximena Cruz Schmidt. Algebra. 1a. ed. Mc Graw-Hill Education, 2012.