APA (7th ed.) Citation

Holmen, M. (1987). The aquatic Adephaga (Coleoptera) of Fennoscandia and Denmark. E.J. Brill/Scandinavian Science Press.

Chicago Style (17th ed.) Citation

Holmen, Mogens. The Aquatic Adephaga (Coleoptera) of Fennoscandia and Denmark. Leiden: E.J. Brill/Scandinavian Science Press, 1987.

MLA (9th ed.) Citation

Holmen, Mogens. The Aquatic Adephaga (Coleoptera) of Fennoscandia and Denmark. E.J. Brill/Scandinavian Science Press, 1987.

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