APA (7th ed.) Citation

Sysoev, A. V. (2009). Land snails and slugs of Russia and adjacent countries. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Sysoev, A. V. Land Snails and Slugs of Russia and Adjacent Countries. Sofia, Bulgaria: Pensoft Publishers, 2009.

MLA (9th ed.) Citation

Sysoev, A. V. Land Snails and Slugs of Russia and Adjacent Countries. Pensoft Publishers, 2009.