APA (7th ed.) Citation

Tsvelykh, A. N., & Appak, B. A. (2011). The Chiffchaff (Phylloscopus collybita (Vieill.)) expansion to the Crimea.

Chicago Style (17th ed.) Citation

Tsvelykh, A. N., and B. A. Appak. The Chiffchaff (Phylloscopus Collybita (Vieill.)) Expansion to the Crimea. 2011.

MLA (8th ed.) Citation

Tsvelykh, A. N., and B. A. Appak. The Chiffchaff (Phylloscopus Collybita (Vieill.)) Expansion to the Crimea. 2011.

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