Léon, C. Notes on Pilocereus, Monvillea and Malacocarpus with special reference to Colombian and Venezuelan species Notes on Pilocereus, Monvillea and Malacocarpus with special reference to Colombian and Venezuelan species. Universidad Nacional de Colombia.
Chicago Style (17th ed.) CitationLéon, Croizat. Notes on Pilocereus, Monvillea and Malacocarpus with Special Reference to Colombian and Venezuelan Species Notes on Pilocereus, Monvillea and Malacocarpus with Special Reference to Colombian and Venezuelan Species. Universidad Nacional de Colombia.
MLA (9th ed.) CitationLéon, Croizat. Notes on Pilocereus, Monvillea and Malacocarpus with Special Reference to Colombian and Venezuelan Species Notes on Pilocereus, Monvillea and Malacocarpus with Special Reference to Colombian and Venezuelan Species. Universidad Nacional de Colombia.