APA (7th ed.) Citation

Poltavskij, A. N. Rhopalocerous butterflies (Lepidoptera) of the Rostov-on-Don region.

Chicago Style (17th ed.) Citation

Poltavskij, A. N. Rhopalocerous Butterflies (Lepidoptera) of the Rostov-on-Don Region.

MLA (8th ed.) Citation

Poltavskij, A. N. Rhopalocerous Butterflies (Lepidoptera) of the Rostov-on-Don Region.

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