Protsenko, J. V., & Gorobchishin, V. A. (2013). Protsenko Yu. V., Gorobchishin V. A. Digger wasps of the genus Ectemnius subgenus Tyreocerus (Hymenoptrera: Crabronidae) in the fauna of Ukraine.
Chicago Style (17th ed.) CitationProtsenko, Ju. V., and V. A. Gorobchishin. Protsenko Yu. V., Gorobchishin V. A. Digger Wasps of the Genus Ectemnius Subgenus Tyreocerus (Hymenoptrera: Crabronidae) in the Fauna of Ukraine. 2013.
MLA (8th ed.) CitationProtsenko, Ju. V., and V. A. Gorobchishin. Protsenko Yu. V., Gorobchishin V. A. Digger Wasps of the Genus Ectemnius Subgenus Tyreocerus (Hymenoptrera: Crabronidae) in the Fauna of Ukraine. 2013.
Warning: These citations may not always be 100% accurate.