Cita APA
Hellén, W. (1966). Die Ceraphroniden Finnlands: <Hymenoptera: Proctotrupoidea>. Societas pro fauna et flora fennica.
Citación estilo Chicago
Hellén, Wolter. Die Ceraphroniden Finnlands: <Hymenoptera: Proctotrupoidea>. Helsinki, Helsingfors: Societas pro fauna et flora fennica, 1966.
Cita MLA
Hellén, Wolter. Die Ceraphroniden Finnlands: <Hymenoptera: Proctotrupoidea>. Societas pro fauna et flora fennica, 1966.
Warning: These citations may not always be 100% accurate.