Gonzalez, V. H., & Engel, M. S. (2011). A new species of the bee genus Ctenoplectrella in middle Eocene Baltic amber (Hymenoptera, Megachilidae). Pensoft Publishers.
Chicago Style CitationGonzalez, Victor H., and Michael S. Engel. A New Species of the Bee Genus Ctenoplectrella in Middle Eocene Baltic Amber (Hymenoptera, Megachilidae). Pensoft Publishers, 2011.
MLA CitationGonzalez, Victor H., and Michael S. Engel. A New Species of the Bee Genus Ctenoplectrella in Middle Eocene Baltic Amber (Hymenoptera, Megachilidae). Pensoft Publishers, 2011.
Warning: These citations may not always be 100% accurate.