editorial, a. I. y. C., & Books, D. W. C. (2003). Século XX. Idea y Creación editorial.
Chicago Style (17th ed.) Citationeditorial, adap. Idea y Creación, and David West Children Books. Século XX. Idea y Creación editorial, 2003.
MLA (8th ed.) Citationeditorial, adap. Idea y Creación, and David West Children Books. Século XX. Idea y Creación editorial, 2003.
Warning: These citations may not always be 100% accurate.