Langman, I. K. (1965). A selected guide to the literature on the flowering plants of Mexico. University of Pennsylvania Press.
Chicago Style (17th ed.) CitationLangman, Ida Kaplan. A Selected Guide to the Literature on the Flowering Plants of Mexico. Philadelphia: University of Pennsylvania Press, 1965.
MLA (9th ed.) CitationLangman, Ida Kaplan. A Selected Guide to the Literature on the Flowering Plants of Mexico. University of Pennsylvania Press, 1965.
Warning: These citations may not always be 100% accurate.