APA (7th ed.) Citation

Hansen, M. (1987). The Hydrophiloidea (Coleoptera) of Fennoscandia and Denmark. E J Brill.

Chicago Style (17th ed.) Citation

Hansen, Michael. The Hydrophiloidea (Coleoptera) of Fennoscandia and Denmark. Leiden: E J Brill, 1987.

MLA (9th ed.) Citation

Hansen, Michael. The Hydrophiloidea (Coleoptera) of Fennoscandia and Denmark. E J Brill, 1987.

Warning: These citations may not always be 100% accurate.