APA
International Symposium on the Chemistry of Natural Products (6th : 1969 : Mexico City), International Union of Pure and Applied Chemistry. Organic Chemistry Division & Mexican Chemical Society. (1970). The chemistry of natural products, 6. London: Butterworths.
Chicago
International Symposium on the Chemistry of Natural Products (6th : 1969 : Mexico City), International Union of Pure and Applied Chemistry. Organic Chemistry Division and Mexican Chemical Society. 1970. The chemistry of natural products, 6. London: Butterworths.
Harvard
International Symposium on the Chemistry of Natural Products (6th : 1969 : Mexico City), International Union of Pure and Applied Chemistry. Organic Chemistry Division and Mexican Chemical Society. (1970). The chemistry of natural products, 6. London: Butterworths.
MLA
International Symposium on the Chemistry of Natural Products (6th : 1969 : Mexico City), International Union of Pure and Applied Chemistry. Organic Chemistry Division and Mexican Chemical Society. The chemistry of natural products, 6. London: Butterworths. 1970.