APA (7th ed.) Citation

Guéorguiev, V. B., Sakalian, V. P., & Gueorguiev, B. V. (1997). Biogeography of the endemic Balkan ground-beetles (Coleoptera: Carabidae) in Bulgaria: With a bibliography of the scientific works of Vassil B. Guéorguiev (1. ed.). Pensoft.

Chicago Style (17th ed.) Citation

Guéorguiev, Vassil B., V. P. Sakalian, and Borislav V. Gueorguiev. Biogeography of the Endemic Balkan Ground-beetles (Coleoptera: Carabidae) in Bulgaria: With a Bibliography of the Scientific Works of Vassil B. Guéorguiev. 1. ed. Sofia: Pensoft, 1997.

MLA (9th ed.) Citation

Guéorguiev, Vassil B., et al. Biogeography of the Endemic Balkan Ground-beetles (Coleoptera: Carabidae) in Bulgaria: With a Bibliography of the Scientific Works of Vassil B. Guéorguiev. 1. ed. Pensoft, 1997.