APA (7th ed.) Citation

Nilsson, A. N., & Holmen, M. (1995). The aquatic Adephaga (Coleoptera) of Fennoscandia and Denmark. II. Dytiscidae. Brill.

Chicago Style (17th ed.) Citation

Nilsson, Anders N., and Mogens Holmen. The Aquatic Adephaga (Coleoptera) of Fennoscandia and Denmark. II. Dytiscidae. Leiden [etc.]: Brill, 1995.

MLA (9th ed.) Citation

Nilsson, Anders N., and Mogens Holmen. The Aquatic Adephaga (Coleoptera) of Fennoscandia and Denmark. II. Dytiscidae. Brill, 1995.

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