Duplenko, ︠. K., & Chebotarev, D. F. (1985). Starenie: Ocherki razviti︠i︡a problemy. Izd-vo "Nauka," Leningradskoe otd-nie.
Chicago Style (17th ed.) CitationDuplenko, ︠I︡U. K., and D. F. Chebotarev. Starenie: Ocherki Razviti︠i︡a Problemy. Leningrad: Izd-vo "Nauka," Leningradskoe otd-nie, 1985.
MLA (8th ed.) CitationDuplenko, ︠I︡U. K., and D. F. Chebotarev. Starenie: Ocherki Razviti︠i︡a Problemy. Izd-vo "Nauka," Leningradskoe otd-nie, 1985.
Warning: These citations may not always be 100% accurate.