APA (7th ed.) Citation

International Conference on Chemistry and Biotechnology of Biologically Active Natural Products Varna, Bulgaria, & Bŭlgarska akademii︠aᥩ. (1981). First International Conference on Chemistry and Biotechnology of Biologically Active Natural Products, Varna, Bulgaria, 21-26.9.'81. Bulgarian Academy of Sciences.

Chicago Style (17th ed.) Citation

International Conference on Chemistry and Biotechnology of Biologically Active Natural Products Varna, Bulgaria, and Bŭlgarska akademii︠aᥩ. First International Conference on Chemistry and Biotechnology of Biologically Active Natural Products, Varna, Bulgaria, 21-26.9.'81. Sofia: Bulgarian Academy of Sciences, 1981.

MLA (9th ed.) Citation

International Conference on Chemistry and Biotechnology of Biologically Active Natural Products Varna, Bulgaria, and Bŭlgarska akademii︠aᥩ. First International Conference on Chemistry and Biotechnology of Biologically Active Natural Products, Varna, Bulgaria, 21-26.9.'81. Bulgarian Academy of Sciences, 1981.