Azar, D., & Nel, A. (2011). The oldest psyllipsocid booklice, in Lower Cretaceous amber from Lebanon (Psocodea, Trogiomorpha, Psocathropetae, Psyllipsocidae). Pensoft Publishers.
Chicago Style (17th ed.) CitationAzar, Dany, and André Nel. The Oldest Psyllipsocid Booklice, in Lower Cretaceous Amber from Lebanon (Psocodea, Trogiomorpha, Psocathropetae, Psyllipsocidae). Pensoft Publishers, 2011.
MLA (9th ed.) CitationAzar, Dany, and André Nel. The Oldest Psyllipsocid Booklice, in Lower Cretaceous Amber from Lebanon (Psocodea, Trogiomorpha, Psocathropetae, Psyllipsocidae). Pensoft Publishers, 2011.
Warning: These citations may not always be 100% accurate.