APA (7th ed.) Citation

Ponomarenko, V. O., & Ponomarenko, H. M. (2015). Species, hybrids and cultivars of the genus Magnolia L. in the National dendrological park "Sofiyivka” of NAS of Ukraine.

Chicago Style (17th ed.) Citation

Ponomarenko, V. O., and H. M. Ponomarenko. Species, Hybrids and Cultivars of the Genus Magnolia L. in the National Dendrological Park "Sofiyivka” of NAS of Ukraine. 2015.

MLA (8th ed.) Citation

Ponomarenko, V. O., and H. M. Ponomarenko. Species, Hybrids and Cultivars of the Genus Magnolia L. in the National Dendrological Park "Sofiyivka” of NAS of Ukraine. 2015.

Warning: These citations may not always be 100% accurate.