Krombein, K. V. (1985). Biosystematic studies of Ceylonese Wasps, XV : a monographs of the Alyssonina, Nyssoninae, and Gorytinae (Hymenoptera : Sphecoidae: Nyssonidae. Smithsonian Institution Press.
Chicago Style (17th ed.) CitationKrombein, Karl V. Biosystematic Studies of Ceylonese Wasps, XV : A Monographs of the Alyssonina, Nyssoninae, and Gorytinae (Hymenoptera : Sphecoidae: Nyssonidae. Washington: Smithsonian Institution Press, 1985.
MLA (9th ed.) CitationKrombein, Karl V. Biosystematic Studies of Ceylonese Wasps, XV : A Monographs of the Alyssonina, Nyssoninae, and Gorytinae (Hymenoptera : Sphecoidae: Nyssonidae. Smithsonian Institution Press, 1985.
Warning: These citations may not always be 100% accurate.