Langley, L. D. (1991). Mexico and the United States: The fragile relationship. Boston: Twayne Publishers.
Chicago Style CitationLangley, Lester D. Mexico and the United States: The Fragile Relationship. Boston: Twayne Publishers, 1991.
MLA CitationLangley, Lester D. Mexico and the United States: The Fragile Relationship. Boston: Twayne Publishers, 1991.
Warning: These citations may not always be 100% accurate.