| GOST | Levina E. Vavilov— the historian of the genetics (on the materials of sci- •entific and epistolary heritage) // Voprosy istorii estestvoznaniia i tekhniki.  – 1987. – Issue 4 C. 34-43 . | 
                                                                    
                            | MLA | Levina, Elena "Vavilov— the historian of the genetics (on the materials of sci- •entific and epistolary heritage)." Voprosy istorii estestvoznaniia i tekhniki.  4 (1987).:34-43. | 
                                                                    
                            | APA | Levina E. (1987). Vavilov— the historian of the genetics (on the materials of sci- •entific and epistolary heritage).  Voprosy istorii estestvoznaniia i tekhniki.  no. 4, pp.34-43 |