Gabrielyan, I., Sargsyan, M., & Achoyan, A. Fossil remains of the genus Crataegus (Rosaceae, Amygdaloideae) from south-eastern Armenia. W. Szafer Institute of Botany, Polish Academy of Sciences.
Chicago Style (17th ed.) CitationGabrielyan, Ivan, Merine Sargsyan, and Arpine Achoyan. Fossil Remains of the Genus Crataegus (Rosaceae, Amygdaloideae) from South-eastern Armenia. W. Szafer Institute of Botany, Polish Academy of Sciences.
MLA (9th ed.) CitationGabrielyan, Ivan, et al. Fossil Remains of the Genus Crataegus (Rosaceae, Amygdaloideae) from South-eastern Armenia. W. Szafer Institute of Botany, Polish Academy of Sciences.
Warning: These citations may not always be 100% accurate.