APA

International Symposium on the Chemistry of Natural Products (7th : 1970 : Riga U., International Union of Pure and Applied Chemistry. Organic Chemistry Division, Akademiia nauk SSSR & Latvijas PSR Zinatnu akademija. (1971). The chemistry of natural products 7. London: Butterworths.

Chicago

International Symposium on the Chemistry of Natural Products (7th : 1970 : Riga USSR), International Union of Pure and Applied Chemistry. Organic Chemistry Division, Akademiia nauk SSSR and Latvijas PSR Zinatnu akademija. 1971. The chemistry of natural products 7. London: Butterworths.

Harvard

International Symposium on the Chemistry of Natural Products (7th : 1970 : Riga U., International Union of Pure and Applied Chemistry. Organic Chemistry Division, Akademiia nauk SSSR and Latvijas PSR Zinatnu akademija. (1971). The chemistry of natural products 7. London: Butterworths.

MLA

International Symposium on the Chemistry of Natural Products (7th : 1970 : Riga USSR), International Union of Pure and Applied Chemistry. Organic Chemistry Division, Akademiia nauk SSSR and Latvijas PSR Zinatnu akademija. The chemistry of natural products 7. London: Butterworths. 1971.